Function f is defined as \(f(x)=3 x^{2}-5 x+8\). What is f(−2)?

Explanation

Plug the input value \((x=-2)\)into the given function of f(x) \(f(-2)=3(-2)^{2}-5(-2)+8=3(4)+10+8=30\)

Which of the following pairs of points both lie on the line whose equation is 3x-y=2?

A rectangle and a triangle have equal areas. The length of the rectangle is 12 inches, and its width is 8 inches. If the base of the triangle is 32 inches, what is the length, in inches, of the altitude drawn to the base?

Select the number that nearly matches the written value: four and nine tenths