Determine whether the graph is the graph of a function.
A. Function
B. Not a function
Answer: B
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Find the polar equation of the given rectangular equation.y2 = 16x
A. r2 = 16 csc ? cot ? B. r = 16 csc ? cot ? C. r = 16 sec ? tan ? D. r2 = 16 sec ? tan ?
Find the volume of rectangular solid measuring 11.5cm x 13.42 cm x 3.125 cm.
Solve the problem.The approximate monthly average temperatures in degrees Fahrenheit in a certain city can be approximated by the function f(x) = -0.005x6 + 0.31x4 - 6.14x2 + 79with domain {x|-6 ? x ? 6}. Here x represents the month with x = 0 corresponding to July. What is the average temperature (rounded to the nearest degree) in January?
A. 36°F B. 41°F C. 26°F D. 31°F
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -3, y = 3, z = 1; (-3, 3, 1) B. x = 1, y = -3, z = 3; (1, -3, 3) C. x = 1, y = 3, z = -3; (1, 3, -3) D. x = -3, y = 1, z = 3; (-3, 1, 3)