H(t)=(t+3)^2+5

over which interval does h have a negative average rate of change?

choose 1

(choice a)

−2≤t≤0

(choice b)

1≤t≤4

(choice c)

−4≤t≤−3

(choice d)

−3≤t≤4

C

Step-by-step explanation:

Find the average rate of change in each option:

A. For

Positive

B. For

Positive

C. For

Negative

D. For

Positive

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the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

: )