Question

$p(x) = 5x {}^{2} - 3x + 7 at x = 1$
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Answer 1

Step-by-step explanation:

$p(x) = 5 {x}^{2} - 3x + 7 \\ p(1) = 5( {1)}^{2} - 3(1) + 7 = 5 - 3 + 7 \\ p(1) = 9$