given $f(x)=10-2x$, find $f(7)$. \n○ -4\n○ 3\n○ 7\n○ 56

Explanation:

Step1: Substitute x=7 into f(x)

$f(7) = 10 - 2(7)$

Step2: Calculate the multiplication term

$2(7) = 14$

Step3: Compute the final value

$f(7) = 10 - 14$

Answer:

-4