Answer the question.Which of the following statements is true concerning the graph of f(t) = sec t?
A. The graph is symmetric about the origin.
B. The graph contains no symmetry.
C. The graph is symmetric about x-axis.
D. The graph is symmetric about y-axis.
Answer: D
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Convert to an exponential equation.loge51 = 3.932
A. e51 = 3.932 B. 51e = 3.932 C. e3.932 = 51 D. 513.932 = e
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature its lowest?
A. 4 p.m. B. 9 a.m. C. 6 p.m. D. 1 p.m.
Find the standard equation of the circle that satisfies the conditions.Center (8, 3), radius 11
A. (x + 3)2 + (y + 8)2 = 11 B. (x + 8)2 + (y + 3)2 = 121 C. (x - 3)2 + (y - 8)2 = 11 D. (x - 8)2 + (y - 3)2 = 121
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Greater than 15.2 seconds
A. 50% B. 48% C. 34% D. 68%