What will be the accumulated amount if an initial investment of $2500 earns 4.8% interest compounded weekly for 15 years?

How many solutions does the nonlinear system of equations graphed below have?

If you could answer these your a life saver

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.