Which function is a quadratic function?
c(x) = 6x + 3x3
d(x) = x – 8x4
p(x) = –5x – x2
k(x) = 2x2 + 9x4

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.

Write a problem to fit this equation 2k + 5 =29