Write an algebraic equation and use it to solve the problem.The revenue of Company X quadruples. Then it increases by $1.6 million to its present revenue of $24.0 What was the original revenue?
A. The original revenue of Company X was $22.4 million.
B. The original revenue of Company X was $6.4 million.
C. The original revenue of Company X was $5.6 million.
D. The original revenue of Company X was $4.4 million.
Answer: C
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Graph.x2 - y2 = 32
A. 
B. 
C. 
D. 
Solve the problem.The function h described by 
gives the height of a ball thrown upward with a speed of 33.1 feet per second from a 124.26 ft high window t seconds after it is thrown until it hits the ground. Find the height of the ball 0.9 seconds after it is thrown.
A. 107.43 ft B. 167.01 ft C. 141.09 ft D. 81.51 ft
Without graphing the function, determine its amplitude or period as requested.y = 5 sin 
xFind the amplitude.
A. 8?
B. 
C. 
D. 5
Find a point on the line and its slope and use these values to write the slope-intercept form of the line.
A. y = -7x + 5
B. y = - 
x + 7
C. y = 7x + 5
D. y = - 
x + 5