Which function has an inverse that is also a function? g(x) = 2x-3
k(y) = -9x2
f(x) = [X + 21
w(x) = -20

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

horizontal translation of 2 units in the positive x direction

followed by

vertical translation of 3 units in the positive y direction

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45