Which functions have a range of {y e r | - infinity < y < infinity} A: f(x) = 2/3x - 8
B: f(x) = x2 + 7x - 9 (exponent 2)
C: f(x) = 2x+3 (exponent x+3)
D: f(x) = -(x+1)2 - 4 (exponent 2)
E: f(x) = -4x + 11

Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88