# 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

### 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

### 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