Answer: f(x) = 70
Explanation:
f(x) = 20(3) + 10
f(x) = 60 + 10
f(x) = 70
Answer:
f(3) = 70
f(x)= 20x+ 10
Let x= 3
f(3)= 20*3+ 10
f(3) = 60+10
=70
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