Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - y2 = 14x2 + 2y2 = 14
A. (
, 2), (
, -2), (-
, 2), (-
, -2)
B. (
, 4), (
, -4), (-
, 4), (-
, -4)
C. (
, 2), (
, -2), (-
, 2), (-
, -2)
D. no real solution
Answer: A
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A. Some germs have made people sick. B. All germs have made people sick. C. At least one germ has made people sick. D. All germs have not made people sick.
Write a formula for the function described.Bob buys a car that gets 8 miles per gallon of gasoline. Function M computes the number of miles that Bob can travel with x gallons of gasoline.
A. M(x) = 
B. M(x) = 
C. M(x) = x + 8
D. M(x) = 8x
Write as an exponential expression.
A. 
b
B. 2b1/7
C. (2b)1/7
D. (2b)2/7
Solve the problem.Jonathan estimated his GPA would be 2.20. When grades came out, he saw that his GPA was 2.13. Did he receive better grades than his estimate or worse?
A. Better B. Worse