Answer:
f(25)= 37.5
Step-by-step explanation:
Here you would start the equation by substituting x for 25 everywhere.
so it would be
f(x) = 0.5(50+25) would turn into f(25) = 0.5(50+25)
first you would do the parenthesis as according to pemdas and its easier.
f(25) = 0.5(75)
then you would multiply 0.5 and 75 which equals 37.5
so
{f(25) = 37.5}
