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Alexxandr [17]
2 years ago
7

Let f(x)=7x+4 find each value A. f(x) when x = -8 B. f(3) C. x when f(x) = 67

Mathematics
1 answer:
maks197457 [2]2 years ago
8 0

Answer:

f(x)=7x+4


When x=-8

f(-8)=7·(-8)+4=-56+4=-52


When x=3

f(3)=7·3+4=21+4=25


When f(x)=67, then :

7x+4=67

7x=63

x=9

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