 # Functions Math Questions & Answers

Recent questions in Functions Arianna Pruitt 2022-12-31

### Which of the following function is an onto function- A. $f\left(x\right)=\mathrm{sin}\left(x\right)$ on $f:R\to \left[-1,1\right]$ B. $f\left(x\right)=\mathrm{cos}\left(x\right)$ on $f:R\to \left[-1,1\right]$ C. $f\left(x\right)={e}^{x}$ on $f:R\to \left(0,\infty \right)$ D. All of the above. Alvaro Wilkinson 2022-12-31

### Let $f\left(x\right)=4x+5\phantom{\rule{1em}{0ex}}\text{and}\phantom{\rule{1em}{0ex}}g\left(x\right)=4{x}^{2}-5$. What is $\left(f\cdot g\right)\left(x-1\right)$? Bradley Collier 2022-12-30

### Given that $g\left(x\right)=4x+6$, what is the value of x that makes $g\left(x\right)=14$? Abraham Banks 2022-12-30

### Given the function $f\left(x\right)={\mathrm{log}}_{3}\left(x+4\right)$, what is the value of ${f}^{-1}\left(3\right)$? belandong0ir 2022-12-29

### How do I find local maxima and minima of a function? BIGivb 2022-12-29

### If (x)=4x+3 find f(f(2)) ? Charlee Sweeney 2022-12-28

### For $f\left(x\right)=24-2x$, how do you find f(2) and x such that $f\left(x\right)=10$? Taniyah Hartman 2022-12-25

### If $g\left(x\right)=3\left(x-2\right)$, what is the value of x if $g\left(x\right)=6$? Kadyn Acevedo 2022-12-25

### Consider the functions $f\left(x\right)=3x-2$ and $g\left(x\right)={x}^{2}-1$. What is the value of $f\left[g\left(5\right)\right]$? Deven Blanchard 2022-12-24

### If $f\left(x\right)=5x+12$, what is ${f}^{-1}\left(x\right)$? yegumbi4q0 2022-12-23

### If $h\left(x\right)=5$ for the function $h\left(x\right)=2x+1$, what is the value of x? Audrina Graham 2022-12-22

### Let y=f(x) be a continuous function defined on the closed interval [0,b] with the property that 0<f(x)<b for all x in [0,b]. Show that there exists a point c in (0,b) with the property that f(c)=c. How would set this up? Draven Crane 2022-12-21

### How to find (f) if $f\prime \left(x\right)=16{x}^{3}+6x+7$ and f(1)=−1 ? alexis.babcock 2022-12-20

### 5≤3y+8<17 alexis.babcock 2022-12-20

### 5≤3y+8<17 lornjety2o 2022-12-20

### Which statement is true about the function $f\left(x\right)$ on the graph? Jemknomamumgz1 2022-12-20

### The inverse of the function of $\mathrm{f}\left(x\right)=4x$? FDOI FL 2022-12-18

### Your are running a ten-mile race. The function d(t) 1/8 (t -40) represent the distance in mile you are from water stop after t mile. A. Intercept the intercepts. Explain what each represents in this context: vecauj7 2022-12-18 arribentssv8 2022-12-18