 # Recent questions in College algebra

Recent questions in College algebra Tolnaio 2021-10-07 Answered

### If John, Trey, and Miles want to know how’ | many two-letter secret codes there are that dont preprekomW 2021-10-06 Answered

### Suppose that f is an exponential function with percentage growth rate of 5% and that f(0) = 4. Find a formula for f(x). Khadija Wells 2021-10-06 Answered

### If $f\left(x\right)=x+4$ and ²$g\left(x\right)=4x²$, find $\left(f+g\right)\left(x\right)$ and $\left(f+g\right)\left(2\right)$. floymdiT 2021-10-04 Answered

### Pure acid is to be added to a 20% acid solution to obtain 28 L of a 40% acid solution. What amounts of each should be used? nicekikah 2021-09-30 Answered

### g is related to one of the parent functions. Describe the sequence of transformations from f to g. $g\left(x\right)=2-\left(x+5{\right)}^{2}$ York 2021-09-30 Answered

### The variable z is often used to denote a complex number and z¯ is used to denote its conjugate. If z = a+bi, simplify the expression ${z}^{2}-{\stackrel{―}{z}}^{2}$ facas9 2021-09-30 Answered

### Given that f(x) = 3x - 7 and that (f + g)(x) = 7x + 3, find g(x). Suman Cole 2021-09-30 Answered

### Starting from the point $\left(3,-2,-1\right)$, reparametrize the curve $x\left(t\right)=\left(3-3t,-2-t,-1-t\right)$ in terms of arclength. Rui Baldwin 2021-09-29 Answered

### use long division to determine if 2x-1 is a factor of $p\left(x\right)=6{x}^{3}+7{x}^{2}-x-2$ shadsiei 2021-09-29 Answered

### $f\left(x\right)=9,\phantom{\rule{1em}{0ex}}\text{if}\phantom{\rule{1em}{0ex}}x\le -4,\phantom{\rule{1em}{0ex}}\text{and}\phantom{\rule{1em}{0ex}}f\left(x\right)=ax+b,\phantom{\rule{1em}{0ex}}\text{if}\phantom{\rule{1em}{0ex}}-4 Find the constants, if the function is continuous on the entire line. Ramsey 2021-09-28 Answered

### For the following exercises, enter the data from each table into a graphing calculator and graph the resulting scatter plots. Determine whether the data from the table could represent a function that is linear, exponential, or logarithmic. $\begin{array}{|ccccccccccc|}\hline x& 1& 2& 3& 4& 5& 6& 7& 8& 9& 10\\ f\left(x\right)& 2.4& 2.88& 3.456& 4.147& 4.977& 5.972& 7.166& 8.6& 10.32& 12.383\\ \hline\end{array}$ ddaeeric 2021-09-28 Answered

### Substitution and elimination, and matrix methods such as the Gauss-Jordan method and Cramers jernplate8 2021-09-28 Answered

### Graph f and g in the same rectangular coordinate system. Use transformations of the graph off to obtain the graph of g. Graph and give equations of all asymptotes. Use the graphs to determine each function’s domain and range. $f\left(x\right)=\mathrm{ln}x\phantom{\rule{1em}{0ex}}\text{and}\phantom{\rule{1em}{0ex}}g⟨x\right)=-\mathrm{ln}\left(2x\right)$ Alyce Wilkinson 2021-09-28 Answered

### For the following exercises, determine whether the equation represents exponential growth, exponential decay, or neither. Explain. $y=16.5\left(1.025{\right)}^{1/2}$ ka1leE 2021-09-27 Answered

### x=-8, when $y=-\frac{1}{4}$ in an inverse variation. Find y, when x=4. vazelinahS 2021-09-27 Answered

### For the following exercises, enter the data from each table into a graphing calculator and graph the resulting scatter plots. Determine whether the data from the table could represent a function that is linear, exponential, or logarithmic. $\begin{array}{|ccccccccccc|}\hline x& 1.25& 2.25& 3.56& 4.2& 5.65& 6.75& 7.25& 8.6& 9.25& 10.5\\ f\left(x\right)& 5.75& 8.75& 12.68& 14.6& 18.95& 22.25& 23.75& 27.8& 29.75& 33.5\\ \hline\end{array}$ nitraiddQ 2021-09-26 Answered

### Describe the transformations that were applied to $y={x}^{2}$ to obtain each of the following functions. Joni Kenny 2021-09-24 Answered

### Given: $\frac{m}{8}=\frac{15}{24}$ Is $8×m=25×15$ true or false? Correct if false. Find m. vazelinahS 2021-09-24 Answered

### Involve rational functions that model the given situations. In each case, find the horizontal asymptote as $x\to \infty$ and then describe what this means in practical terms. $f\left(x\right)=\frac{150x+120}{0.05x+1}$ the number of bass. f(x), months in a lake that was stocked with 120 bass. Khaleesi Herbert 2021-09-24 Answered