Graph the given parabola.y = x2 - 4
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find a formula for the distance from the point P(x, y, z) to the xz plane.
A. z
B. 
C. x
D. y
Find the equation of a line passing through the given points. Solve the equation for y.(1, 9) and (3, 13)
A. y = - 
x + 
B. y = 2x + 7
C. y = 
x + 
D. y = -2x + 11
Solve.A canoeist paddled 6 miles upstream in 6 hours and returned to his starting point downstream in 45 minutes. What was the speed of the current?
A. 3.5 mph B. 5 mph C. 4 mph D. 4.5 mph
Do the following: (i) Write a formula for the function described. (ii) Evaluate the function for input 10.Function A computes the square yards in x acres. (Hint: 4840 square yards equal 1 acre.)
A. (i) A(x) = 4840x2
(ii) A(10) = 484,000
B. (i) A(x) = 
(ii) A(10) = 
? 0.002
C. (i) A(x) = 4840 + x
(ii) A(10) = 4850
D. (i) A(x) = 4840x
(ii) A(10) = 48,400