Use the function rule f(x) = 3x - 2. Find the output f(1.5).
a. 2.5
b. -2.5
c. 6.5
d. -6.5
I think it's a but I'm not sure.
it is 3(1.5) - 2 = 4.5 - 2 = 2.5
so, A
Thank you. That's what I thought it was, but I wanted to be sure.
To find the output of the function f(x) = 3x - 2 when x = 1.5, you simply substitute x = 1.5 into the function and evaluate.
f(1.5) = 3(1.5) - 2
Now, let's calculate the expression:
f(1.5) = 4.5 - 2
f(1.5) = 2.5
Therefore, the output f(1.5) is equal to 2.5.
So, your initial guess is correct. The answer is option a) 2.5.