Question

Evaluate the function when x= -2,0, and 5.b(x)=18-0.5x

Answer 1

We are given the following function:

$b(x)=18-0.5x$

We are asked to evaluate the function when "x = -2". To do that we will substitute the value of "x" in the function for the value "-2":

$b(-2)=18-0.5(-2)$

Now, we solve the operations:

$b(-2)=19$

Therefore, the function evaluated at -2 is 19.

Now, we substitute "x = 0":

$\begin{gathered} b(0)=18-0.5(0) \\ b(0)=18 \end{gathered}$

Therefore, the function at 0 is 18.

Now, we substitute x = 5:

$b(5)=18-(0.5)(5)$

Solving the operations:

$b(5)=15.5$

Therefore, the function at 5 is 15.5