Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Use a graphing calculator to model the data with a linear function that predicts a student's score as a function of the number of hours he or she studied.
A. y = 67.3 + 1.07x
B. y = 33.7 - 2.14x
C. y = -67.3 + 1.07x
D. y = 33.7 +2.14x
Answer: A
Mathematics
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(a) for the function f and the real number a. Select the correct answer.
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Evaluate the expression.- 
1/2
A. - 
B. - 
C. 
D. not a real number
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Multiply.
? 
A. 13 B. -13 C. 13i D. -13i
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Find the average rate of change of the function as x changes from a to b.h(x) = (5 - x)2; a = 3, b = 5
A. -12 B. 0 C. -2 D. 18
Mathematics