a. $8a+3$ b. $-8x+3$ c. $8x+8h+3$
Work Step by Step
We are given that $P(x)=8x+3$ $P(a)=8(a)+3=8a+3$ $P(-x)=8(-x)+3=-8x+3$ $P(x+h)=8(x+h)+3=8x+8h+3$
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