5 and 3 are two primary numbers for this question
Answer: 3,969
Step-by-step explanation:
multiply 140x28.35
Answer: (2.5, 5)
Step-by-step explanation:
i jus took the test
Answer:
See explanation below
Step-by-step explanation:
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.
Let

, so that

,

, and

. Then

Now let

, so that

. Then

Transform back to

to get

and again to get back a result in terms of

.