Use the grid to graph the function. Find the limit, if it exists
f(x), f(x) = 2x + 3
A. 9
B. 12
C. 15
D. does not exist
Answer: C
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Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 224 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground?
A. 15 sec B. 3.7 sec C. 3136 sec D. 14.4 sec
Sketch the coordinate axes and then include the vectors A, B, and A × B as vectors starting at the origin.u = i, v = k
What will be an ideal response?
Perform the indicated operations. Simplify the answer.
? 
A. -16 B. 4i C. 4 D. 16i
The demand equation is 
.
?
Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at 
.
?
A. 
; elastic
B. ?
; inelastic
C. ?
; inelastic
D. 1; unitary