5x + 2y = 8 x + y = 4
if you want to solve the system of equations by addition, which of the following could you do?
multiply the second equation by 5 and add.
multiply the second equation by 2 and add.
multiply the second equation by -2 and add.

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up