Question 8 of 25 2 Points
Which of these statements is true for f(x) = 4×(7)^x?
A. It is always decreasing
O B. The y-intercept is (0, 1).
O C. The domain of f(x) is x > 0.
D. The y-intercept is (0,4).
SUBMIT

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39