SOLUTION: For f (x) = x^3 + x^2 - 4, use the Intermediate Value Theorem to determine which interval must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and

Algebra ->  Real-numbers -> SOLUTION: For f (x) = x^3 + x^2 - 4, use the Intermediate Value Theorem to determine which interval must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and       Log On


   

Question 1145381: For f (x) = x^3 + x^2 - 4, use the Intermediate Value Theorem to determine which interval must contain a zero of f.
A. Between 0 and 1
B. Between 1 and 2
C. Between 2 and 3
D. Between 3 and 4
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


f(0) = -4
f(1) = -2
f(2) = 8

Since the function is continuous and the function value is negative at x=1 and positive at x=2, there must be a zero between 1 and 2.

ANSWER B