Find the intersection of the given intervals.((-?, -7) ? (-7, ?)) ? (-?, 15]
A. (-?, -7) ? (-7, 15]
B. (-?, 15]
C. (-?, -7)
D. (-7, 15]
Answer: A
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Simplify the expression using the order of operations.36 - 5 ? 2
A. 62 B. 26 C. 108 D. 46
Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 
Solve the problem.The following data represents the temperature T (°Fahrenheit) in a certain city x hours after midnight over the course of one day.
a) Find the average rate of change in temperature from 6 AM to 12 noon. Round to two decimal places.b) Find the average rate of change in temperature from 6 PM to 9 PM. Round to two decimal places.c) Decide on a function of best fit to these data (linear, quadratic, or cubic) and use this function to predict the temperature at 4 PM. Round to one decimal place.
What will be an ideal response?
Solve the problem.If a graph is symmetric with respect to the origin and it contains the point (-4, 7), which of the following points is also on the graph?
A. (7, -4) B. (4, -7) C. (-4, -7) D. (4, 7)