Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 7, 
= 12, ? = 74°
Find the angle between v - w and v
A. 33.8°
B. 25.7°
C. 48.1°
D. 72.4°
Answer: D
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Let f(x) = ex. For the function g, find A satisfying g(x) = f(Ax), and describe how the graph of f is transformed to be identical to the graph of g. g(x) = 7x
A. A = ln 7; Transform the graph of f by a horizontal scale transformation with factor 
= 
.
B. A = ln 7; Transform the graph of f by a horizontal scale transformation with factor A = ln 7.
C. A = ln 
; Transform the graph of f by a horizontal scale transformation with factor 
= 
.
D. A = ln 
; Transform the graph of f by a horizontal scale transformation with factor A = ln 
.
Use the quadrilaterals below to solve the problem.
Which of the quadrilaterals shown is not a parallelogram? Name this quadrilateral. 
Fill in the blank(s) with the appropriate word(s).
Find the equation of the parabola with vertex at 
and focus at 
.
?
A. ?
B. ?
C. ?
D. 
E. ?
Translate word for word or to a proportion, then solve.12.18 is 29% of what number?
A. 42 B. 4.2 C. 0.42 D. 420