Which equation below is decreasing across all real numbers ? A. y=2(1/4)^x

B. y=1/3(5)^x

C. y=3x-5

D. y=3(5)^x

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x