Answer:1
Step-by-step explanation:
Answer:
apply exponent rule:
-3
See explanation below
a. f(x) is increasing at (-∞, 1] and [7, ∞) because f'(x) is positive at those intervals.
b. f(x) is concave up at [4, ∞) because the slope of f'(x) or f''(x) is positive.
Answer: (0,2), (3,0), (6, -2)
