Algebra and Functions
Solve for x.
4x + 24 = 68
x = 11
f(x) = -7x - 11
f(-2) = ?
f(-2) = -7(-2) - 11
= 14 - 11
= 3
What is the greatest common factor of 10 and 15?
5
Solve for x.
-3x^2 = -48
x = 4 and x = -4
What is the area of a circle with a diameter or 10 in?
A = 3.14(5in)^2
A = 3.14(25in^2)
A = 78.5 in^2 or 25pi