Consider the function

MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

Consider the function f(x)=21−x+3f(x)=2^{1-x}+3. Which option correctly lists its horizontal asymptote and range? (a) Horizontal asymptote y=0y=0, range (0,∞)(0,\infty) (b) Horizontal asymptote x=0x=0, range (3,∞)(3,\infty) (c) Horizontal asymptote y=3y=3, range (3,∞)(3,\infty) (d) Horizontal asymptote y=3y=3, range (−∞,3)(-\infty,3)

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