Determine if the given ordered triple is a solution of the system.(-4, 1, 5) x + y + z = 2 x - y + 2z = -45x + y + z = 22
A. not a solution
B. solution
Answer: A
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Solve the problem.Suppose that z varies jointly with x and y and that z = 196 when x = 7 and Find the constant of proportionality k. Then, find z when x = 6 and
A. k = 2; z = 36
B. k = 19,208; z =
C. k = 0.2; z = 3.6
D. k = 4; z = 72
Write a chain rule formula for the following derivative. for w = f(p, q); p = g(x, y), q = h(x, y)
A. =
+
B. =
+
C. =
D. =
+
Rewrite the expression as a single trigonometric function using a double-angle identity.4 sin 2? cos 2?
A. sin 16?
B. cos 4?
C. cos 8?
D. 2 sin 4?
Provide an appropriate response.Consider a linear program with an objective function for profit. Thinking of isoprofit lines, if the objective function is evaluated at the corner points of polygon and
and
is it safe to assume that p(D) is not the corner point at which the profit is maximized?
A. Yes B. No