Question

if f(x) =x^2-x^2-5, find f(-2/3)

Answer 1

is it really x^2 - x^2 - 5 ? or is there a typo?

Answer 2

x^3-x^2-5

Answer 3

ok thanks

Answer 4

f(x) = x^3-x^2-5

f(-2/3) = (-2/3)^3-(-2/3)^2-5 ... replace ALL copies of x with -2/3

f(-2/3) = -8/27-4/9-5

I'll let you finish up

Answer 5

ok

Answer 6

-155/7

Answer 7

good

Answer 8

oh sorry, it should be -155/27

Answer 9

missed the 2

Answer 10

I have seen where I made the mistake....i did -8/27-(-4/9)-7

Answer 11

i see

Answer 12

oh yea..sorry for that

Answer 13

no worries

Answer 14

you still have time, I got few more questions.

Answer 15

I can do one more

Answer 16

ok