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23-08-2019
Mathematics

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f(x) = —~? – 10x + 16
Find f(-7)

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23-08-2019

Use the substitution method

f(x)= -10x+16

f(-7)= -10(7)+16

Mutiply first then add because of PEMDAS

P= parenthesis

E= exponents

M= multiplication

A= addition

S= subtraction

-70+16= -54

Answer : f(-7)= -54

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