Decide whether or not the given equation is an identity.1 - 
= sin y
A. Yes
B. No
Answer: A
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.25 B. -1 C. 0.5 D. 0.44
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.Populations of cities
A. Rational numbers B. Natural numbers C. Integers
Solve the problem.Your home state uses a linear model y= 45(x - 70) + 1610 to predict the number of vacationers (y) as compared to the average temperature for that week (x). Find the number of vacationers predicted for a week with an average temperature of 60 degrees.
A. 1160 vacationers B. 7460 vacationers C. 4240 vacationers D. 72,000 vacationers
Find the equation of the axis of symmetry.f(x) = -7(x - 5)2 - 4
A. x = -7 B. x = 5 C. x = -4 D. x = -5