Use the given graph to find the x-intercept and the zero of the function.
A. (-4, 7); -4
B. (-4, 0); -4
C. (7, 0); 7
D. (0, 0); 0
Answer: B
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Determine whether the graph of the equation or function has symmetry about the x-axis, the y-axis, and the origin.2x = 5y2 + 5
A. x-axis B. y-axis C. x-axis, y-axis, origin D. origin
Solve. Simplify the answer.The probability that an event does not occur may be found by subtracting the probability that the event does occur from 1. If the probability that Luis passes his driving test is 
, what is the probability that he does not pass his driving test?
A. 
B. 
C. 
D. 
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 26,000, in how many years is the population expected to be 65,000?
A. 55 yr B. 8 yr C. 3 yr D. 5 yr
Simplify the expression. Assume that all variables are positive when they appear.
A. 27 B. -9 C. ±9 D. 81