Question

If b(x) = negative2(x​​minus50), what is the value of b(20)?

Answer 1

b(20) = 60

Explanation:

Here, given that ;

b(x) = -2(x-50)

we want to find the value of b(20)

what we need to do is to simply substitute x for 20

That will be:

b(20) = -2(20-50)

b(20) = -2(-30)

b(20) = 60