Question

What is the value of the function y = 0.5x – 10 when x = 9?

Answer 1

inpus 9 for x
y=0.5(9)-10
y=4.5-10
y=-5.5

Answer 2

To find the value of the given function first lets substitute the value of x in the equation;

y = 0.5x - 10
y = 0.5(9) -10
y = 4.5 - 10
y = -5.5
hope this helps :)