- If R (x) = then R ′(3) =
(A)
(B)
(C)
(D)
(E) 2
- Water is poured into a spherical tank at a constant rate. If W(t) is the rate of increase of the
depth of the water, then W is
(A) constant
(B) linear and increasing
(C) linear and decreasing
(D) concave up
(E) concave down
- The graph of f ′ is shown below. If f (7) = 3 then f (1) =
(A) −10
(B) −4
(C) −3
(D) 10
(E) 16
- At an outdoor concert, the crowd stands in front of the stage filling a semicircular disk of
radius 100 yd. The approximate density of the crowd x yd from the stage is given by
people per square yard. About how many people are at the concert?
