Question

PLEASE HELP FOR 50 POINTS

Use a graphing calculator to find the value of f(x) when x = −1 for the function
f(x) = −4x − 5/2 .
Enter your answer as a decimal if needed.
f(−1) =

Answer 1

1.5 or 1 1/5

Just plug -1 into the equation as x:

-4 x -1 - 5/2

4 - 5/2

1.5

Why did you mark as college level maths tho. This is more like middle school