Solve the problem.Find all points of the graph of f(x) = 2x2 + 2x whose tangent lines are perpendicular to the line - 30y = x.
A. (0, 0)
B. (8, 144)
C. (9, 180)
D. (7, 112)
Answer: D
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Graph the function.f(x) = 4e-x
A. 
B. 
C. 
D. 
Solve the problem.A researcher finds a positive correlation between the amount of coffee people drink and anxiety level. Can you conclude that drinking coffee causes anxiety? Propose other explanations for the correlation. Suggest some ways that the researcher could go about establishing causality. Refer to the six guidelines for establishing causality.
What will be an ideal response?
Translate the English sentence into a mathematical sentence and solve.The sum of sixteen and some number is eight.
A. 8 + x = 16; -8 B. 16 + 8 = x; 24 C. 16 + x = 8; -8 D. 16 + x = 8; 8
Use INTERSECT to find the solution to the equation. Round to two decimal places, if necessary.3(x - 2) = 5(x - 3)
A. x = 4.5 B. x = -0.5 C. x = 0.5 D. x = -4.5