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Hi, may someone help me with this question? Thank you!:) “If f(x) = x^2 + 7, find f(x+2)”
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Hi, may someone help me with this question? Thank you!:)
“If f(x) = x^2 + 7, find f(x+2)”
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Mathematics
3 years
2021-07-29T01:41:15+00:00
2021-07-29T01:41:15+00:00 2 Answers
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Answers ( )
Answer:
Step-by-step explanation:
In , for all values of , we substitute (what is in the parentheses) into to output a value.
In , the term is in the parentheses. Therefore, substitute for in to find :
Expand using ,
Combine like terms:
Answer:
=x^2 +4x+11
Step-by-step explanation:
f(x) = x^2 + 7,
Replace x with x+2
f(x+2) = (x+2)^2 + 7
= (x+2)(x+2) +7
FOIL
= x^2 +2x+2x+4 +7
Combine like terms
=x^2 +4x+11