Solve the problem using your calculator.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Use linear regression to find a linear function that predicts a student's course grade as a function of the number of hours spent in lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. y = 1.86 + 88.6x
B. y = 0.930 + 44.3x
C. y = 44.3 + 0.930x
D. y = 88.6 - 1.86x
Answer: D
Mathematics
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Write the statement in symbolic form.Let p, q, and r represent the following statements.p: I eat too much.q: I'll exercise.r: The food is good.If the food is good and I eat too much, then I'll exercise.
A. r ? (p ? q) B. (r ? p) ? q C. p ? (r ? q) D. r ? (p ? q)
Mathematics
Solve the problem.Find 
at t = 0 for the function w = sin(x) cos(y) ln(z) where x = 5t2 + 9t + 
, y = t, z = e6t.
A. 6 B. 12 C. 1 D. 6e6
Mathematics
Insert < or > to make the statement true.0 _____ 4
A. 0 < 4 B. 0 > 4
Mathematics
Solve the system of equations. If there is no solution to the system, give a reason. x + y + z = 10 x - y + 4z = 233x + y + z = 18
A. (5, 1, 4) B. (1, 4, 5) C. (4, 1, 5) D. (5, 4, 1)
Mathematics