A rectangle has a length of 12 inches and a width of 9 inches whose sides are changing. The length is increasing by 7 in/sec and the width is shrinking at 4 in/sec. What is the rate of change of the area?
1
2
Across
1A
A rectangle has a length of 12 inches and a width of 9 inches whose sides are changing. The length is increasing by 7 in/sec and the width is shrinking at 4 in/sec. What is the rate of change of the area?
2A
A particle moves along the x-axis so that at time t≥0 its velocity is given by v(t)=6t^2+5t-8. Determine the speed of the particle at t=7.
Down
1D
For the function f(x)=6x^2+12x+2, find the slope of the tangent line at x=8