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sweet [91]
3 years ago
13

10+1/2(4x-8)^2 what is f(3)

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
5 0

f(x) = 10 +  \frac{1}{2}  {(4x - 8)}^{2}  \\  \\ f(3) = 10 +  \frac{1}{2}  {(4 \times 3 - 8)}^{2}  \\  \\ f(3) = 10 +  \frac{1}{2}  {(12 - 8)}^{2}  \\  \\ f(3) = 10 +  \frac{1}{2}  {(4)}^{2}  \\  \\ f(3) = 10 +  \frac{1}{2}  \times 16 \\  \\ f(3) = 10 + 8 \\  \\  \boxed{ \red{ \large{f(3) = 18}}}
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