What is the inverse of the function f (x) = 4x + 8?

h (x) = x - 2

h (x) = x + 2

h (x) = x - 2

h (x) = x + 2

Question

Mathematics

Susan Rich

1 June, 19:43

What is the inverse of the function f (x) = 4x + 8?

h (x) = x - 2

h (x) = x + 2

h (x) = x - 2

h (x) = x + 2

+4

Answers (1)

Know the Answer?

Anya Klein · Answer 1

Replace f (x) with y

swtich x and y

solve for y

replace y with f⁻¹ (x)

f (x) = 4x+8

y=4x+8

x=4y+8

x-8=4y

1/4x-2=y

y=1/4x-2

f⁻¹ (x) = 1/4x-2

none of the above

What is the inverse of the function f (x) = 4x + 8?h (x) = x - 2h (x) = x + 2h (x) = x - 2h (x) = x + 2

What is the inverse of the function f (x) = 4x + 8?

h (x) = x - 2

h (x) = x + 2

h (x) = x - 2

h (x) = x + 2