1. Cheraw Auto Repair believes that it will need new equipment in 10 years. The equipment will cost 11) $26,000. What lump sum should be invested today at 8% compounded semiannually, to yield $26,000?

2.

4x2 x 2 Find the values of x where the tangent line is horizontal for the graph of f(x)- A)x=-2 C)x=-2, x=0, x=-4 B)x=0,x=-2 D)x=0,x=-4