Question

Find the inverse of the function.
f(x) = 4x3 - 7
A. Not a one-to-one function
B. f-1(x) = cube root of x minus divided by four plus seven
C. f-1(x) = cube root of quantity x plus seven divided by four
D. f-1(x) = cube root of quantity x minus seven divided by four

Answer 1

@triciaal

Answer 2

@triciaal

Answer 3

To find the inverse of f(x)=4x^3-7, first write y=4x^3-7 then interchange x and y and solve for y. So for the inverse, x=4y^3-7, 4y^3=x+7 or y^3=(x+7)/4, which means y= the cube root of (x+7)/4, so the answer is C.

Answer 4

@triciaal

Answer 5

@zepdrix

Answer 6

pleaseeee help meeee

Answer 7

follow the directions from earlier
switch the x and y then make y the subject of the equation
remember to keep the balance