Find the equation of the transverse axis of the hyperbola.x2 - y2 = -50
A. y = 0 (x-axis)
B. x = 0 (y-axis)
C. y = 50x
D. x = -y
Answer: B
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Graph the polar equation.? = 
, 0 ? r ? 4
A. 
B. 
C. 
D. 
Find an equation for the given function.f(x) = x2 - 
x - 4; g(x) = x3 - 
x2 + xFind (f + g)(x).
A. (f + g)(x) = x3 - 
x2 - 
x - 4
B. (f + g)(x) = 2x3 - 3x2 - 3x
C. (f + g)(x) = x3 - 
x2 - 
x - 4
D. (f + g)(x) = 2x3 - 
x2 - 3x
Solve the problem.John's favorite clothing store is having a close-out sale with everything reduced 60% off the original price. The discount is calculated at the cash register when the purchase is made. John buys a sweater originally priced $23.95, 2 pairs of jeans originally priced $16.99 each, and a jacket originally priced $57.98. Estimate the total cost of all items after the discount is taken.
A. $20.00 B. $720.00 C. $48.00 D. $72.00
The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find sin t.
A. 
B. 
C. 
D. 