Find the formula for the function.A point P in the fourth quadrant lies on the graph of the function f(x) = -x2. Express the slope of the line joining P to the origin as a function of x.
A. m = x
B. m = 
C. m = -2x
D. m = -x
Answer: D
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Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Solve the problem.The diagram shows the roads connecting four cities.WX
YZThe matrix A below represents the number of routes between each pair of cities without passing through another city. 
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Calculate A3. What information is given by the entry in row 2, column 3 of A3?
A. There are 5 ways to travel between cities X and Y by passing through exactly three cities
B. There are 4 ways to travel between cities X and Y by passing through one city
C. There are 5 ways to travel between cities X and Y by passing through exactly two cities
D. There are 4 ways to travel between cities X and Y by passing through at most two cities
Factor completely. If the polynomial is prime, so state.16x2 - 25y2
A. (4x + 5y)(4x - 5y) B. (4x + 5y)2 C. (4x - 5y)2 D. prime
Express the phrase as a ratio in lowest terms.120 cm to 75 cm
A. 
B. 
C. 
D. 