It is known that the range of the function f(x)= a sinx+1 for xER is -2

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section: Chapter Questions
Problem 23CLR
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2.
It is known that the range of the function f(x)= a sinx+1 for xER is −2≤f(x)≤4,
then a = ?
(a) 2
(b) 3
(c) 4
(d) 3 or - 3
Transcribed Image Text:2. It is known that the range of the function f(x)= a sinx+1 for xER is −2≤f(x)≤4, then a = ? (a) 2 (b) 3 (c) 4 (d) 3 or - 3
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