Question

1. $w(x) = 3x^2 + 1 + 2x$; find $w(-5)$

Explanation:

Step1: Substitute $x=-5$ into $w(x)$

$w(-5)=3(-5)^2 + 1 + 2(-5)$

Step2: Calculate exponents and products

$w(-5)=3(25) + 1 - 10$

Step3: Compute final arithmetic

$w(-5)=75 + 1 - 10$

Answer:

$66$