Question

Use the Intermediate Value Theorem to choose an interval over which the function, f(x)=-2x-3x+5, is guaranteed to have a zero.
a. [-3,-2]
b. [-2,0]
c. [0,2]
d. [2,4]

Answer 1

@mathmate Help me out please?

Answer 2

just plug the numbers in to get the answer.
Like for a) f(-3) =? , f(-2) =?

Answer 3

hey!! f(x) =-2x -3x +5???? something is wrong???

Answer 4

I'm a little confused....

Answer 5

read your function and tell me if you type it right

Answer 6

Yes, I typed it correctly.

Answer 7

so, why is -2x-3x but not -5x?

Answer 8

ohh.... it's f(x)=-2x^3-3x+5