Find the difference.15 - (-10)
A. -25
B. -5
C. 25
D. 5
Answer: C
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The function 
satisfies the equation of change 
. For what values of f is the graph of f versusx increasing?
?
A. 
B. 
C. 
D. 
Use colored counters to answer the question. Typically, black counters represent a profit or a positive number, while red counters represent a loss or a negative number. Here, use white in place of red, that is, consider a white counter to mean what a red counter would in the typical case.Draw a colored counter diagram to represent -3.
What will be an ideal response?
Write as the sum and/or difference of logarithms. Express powers as factors.ln 
2/5, x > 5
A. 2ln (x + 3) - 5ln (x - 5) - 
ln (x - 8)
B. 
ln (x + 3) + 
ln (x - 5) - 
ln (x - 8)
C. ln (x + 3) + ln (x - 5) + ln 2 - 4ln (x - 8) - ln 5
D. 
ln (x2 + 8x - 15) - 
ln (x - 8)
Find the x- and y- intercepts.4x + 5y = 20
A. x-int: 4; y-int: -5 B. x-int: 5; y-int: 4 C. x-int: 4; y-int: 5 D. x-int: -5; y-int: -4