Determine the value of k if g(x) = 4x+k is a tangent to f(x) =-x^2 +8x +20​

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.