Let the function be f defined by f (x) = 12 - 5x (a) is it true that f (0) = 0 ? explain why or why not.
(b) evaluate f (-1)
(c) what value of a will make the equation f (a) = 6 true?

PLEASE HELP ME

In the diagram, gef and hef are congruent. what is the value of x

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²