CPM Homework Help : APCALC Problem 7-90

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Home > APCALC > Chapter 7 > Lesson 7.2.4 > Problem 7-90

7-90.

Integrate.

$\int _ { - 1 } ^ { 1 } 4 ^ { x + 2 } d x$
Hint (a):
Recall that $4^{x + 2} = (4^x)(4^2) = 16(4^x)$ .

$\int 6t · 7^{3t^2}dt$
Hint (b):
$U$ − substitution
Step (b):
$=\int7^UdU$

$\int$ $\sin^2(3m - 1) · \cos(3m - 1)dm$
Step (c):
Let $U = \sin(3m - 1)$ .

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