If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.45
A. 5 ? 5
B. 3 ? 3 ? 5
C. 9 ? 5
D. 9 ? 3
Answer: B
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Use a graphing calculator to graph f near x0 and use Zoom and Trace to estimate the y-value on the graph as 
.
A. 
B. 0
C. 2
D. 1
Find the limit and determine if the function is continuous at the point being approached.
tan (sin (-3? cos (sin ?)))
A. Does not exist; no B. 0; no C. 0; yes D. 1; yes
Solve the problem.How many line segments are determined by joining the dots on the last two circles?
3 segments6 segments
segments
segmentsUse inductive reasoning to find a formula for the number of line segments determined by joining n dots on a circle.
A. 5 dots: 9 segments 7 dots: 15 segments n dots : 3n - 6 segments B. 5 dots: 13 segments 7 dots: 33 segments n dots : (n - 1)2 - 3 segments C. 5 dots: 10 segments 7 dots: 21 segments n dots : n(n - 1)/2 segments D. 5 dots: 12 segments 7 dots: 24 segments n dots : 6(n - 3) segments
Solve the problem.A plane flies 450 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 182 mph B. 217 mph C. 197 mph D. 192 mph