Find all numbers for which the rational expression is not defined.
A. x = 0
B. x = 3 and x = -5
C. x = 6 and x = -6
D. x = -3 and x = 5
Answer: D
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = - i ; C is the region defined by the polar coordinate inequalities
and
A.
B.
C. -
D. 0
Find the diameter of a circle if the radius has the value given.r = 23.5 yd
A. 47 yd B. 73.79 yd C. 11.75 yd D. 1734.07 yd
Solve the application involving a linear inequality and its graph. Carlos needs at least $380 to buy a new smartphone. He works x hours at a restaurant for $13 per hour and y hours as a tutor for $25 per hour. The inequality models the amount of money Carlos must earn to buy the new phone. The inequality is graphed below.
Determine whether the ordered pair (15, 20) is a solution to the inequality and explain its real-world meaning.
A. (15, 20) is a solution. If Carlos works 15 hours at $25 per hour and 20 hours at $13 per hour, he will be able to purchase the new phone. B. (15, 20) is a solution. If Carlos works 15 hours at $13 per hour and 20 hours at $25 per hour, he will be able to purchase the new phone. C. (15, 20) is not a solution. If Carlos works 15 hours at $25 per hour and 20 hours at $13 per hour, he will not be able to purchase the new phone. D. (15, 20) is not a solution. If Carlos works 15 hours at $13 per hour and 20 hours at $25 per hour, he will not be able to purchase the new phone.
Evaluate the exponential form. -53
A. -15,625 B. 125 C. 625 D. -125