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Answer:
8
Step-by-step explanation:
f (x) = 7 (x-1) +8
For f(1) we plug 1 into x.
f(1) = 7 (1-1) +8
Simplify
f(1) = 8
Y2-y1/x2-x1= -47-(-7)/-19-(-9)= 4
Answer:
16
Step-by-step explanation:
8x
substitute
8(2)
parenthesis mean multiplication
16
