Answer:
f(3) = 23
Explanation:
To evaluate f(3) substitute x = 3 into the expression
f(3) = 2(3)² + 5
= (2 × 9) + (5 × )
= 18 + (5 × 1) = 18 + 5 = 23
23
put 3 in place of x and solve.
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