The actual density of iron is 7.874 g/ml. in a laboratory investigation, jason finds the density of a piece of iron to be 7.921 g/ml. what is the percent error that is associated with jason’s measurement?
-4.7%
-0.6%
0.6%
4.7%

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

What are the soultion(s) to the quadratic equation 40- x^2=0

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe