Solve using the principle of zero products.b(b + 12) = 0
A. -12, 0
B. -1, -12
C. 1, -12
D. 12, 0
Answer: A
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Find the gradient field F of the function f.f(x, y, z) = x6y7 + 
A. F = 6x5y7i + 7x6y6j - 
k
B. F = (6x5 + 6x5)i + 7y6j + 
k
C. F = (6x5 + 6x5)i + 7y6j - 
k
D. F = 
i + 7x6y6j - 
k
Graph using a graphing utility and identify the x- and y-intercepts from the graph. Use the indicated graphing window dimensions.x - 3y = 6 (window size [-10, 10, 1] by [-10, 10, 1])
A. x-intercept = -3; y-intercept = -
B. x-intercept = -6; y-intercept = -2
C. x-intercept = 6; y-intercept = -2
D. x-intercept = -2; y-intercept = 6
Solve using the addition principle. Then graph.f - 4 < -12
A. f < -8
B. f ? -8
C. f ? -8
D. f > -8
Solve.A salesman packed 3 shirts and 6 ties. With one shirt, he could wear all 6 ties. With another shirt, he could wear 5 ties. With the third shirt, he could wear only 2 ties. How many different combinations did he have?
A. 12 B. 60 C. 13 D. 32