Answer:
-30
Step-by-step explanation:
f(x)=5(2)x
f(-3)=5(2)(-3)
f(-3)=10(-3)
f(-3)=-30
12
x^2-2x+4 replace -2 for x
-2^2-2(-2)+4
4+4+4
7
13t = 82.3 + 8.7
13t = 91
t = 91/13 = 7
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