If ƒ(x) = 2x2 – 3x, what is the value of ƒ(5)?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

What is the solution to the system of equations? y=1.5-3 y=-x

2f(x)= x+3 if 4 < x < 8 2x if x 28 2