Use the given information to find the left- and right-hand Riemann sums for the following function. If necessary, round your answers to five decimal places.

f(x)=x^2+3

Use the given information to find the left- and right-hand Riemann sums for the following function. If necessary, round your answers to five decimal places. f(x) = 12+3 a = - 3, b = 6, and n = 7 Left-Hand Riemann Sum = Right-Hand Riemann Sum =