Answer
Domain: $(-\infty, \infty)$
Range: $[2, 4]$
Work Step by Step
Domain: all real $t$
Range: $-1\leq\cos 2t\leq1$
$2\leq3+\cos 2t\leq 4$
$2\leq F(t)\leq 4$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 1 - Review - Exercises - Page 70: 8
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