Solve by the most appropriate method.5x2 - 5x - 4 = 0
A. 
B. 
C. 
D. 
Answer: C
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My business pays tax on income, and the tax paid is a linear function of income. If my income is $10420 then the tax owed is $929.60. If my income is $11309 then the tax owed is $1000.72. How much tax do I owe if my income is $11874? ?
A. $1045.92 B. $1046.18 C. $949.92 D. $950.03
A function of x is depicted in the graph. Find any input values that produce the indicated output.f(x) = -2
A. x = -4 and x = 0 B. x = 4 and x = 0 C. x = -8 and x = 4 D. x = -4
Fill in the blank with one of the words or phrases listed below.
A(n) 
is a special bar graph in which the width of each bar represents a(n) 
and the height of each bar represents the 
.
A. pictograph; class frequency; class interval B. pictograph; class interval; class frequency C. histogram; class frequency; class interval D. histogram; class interval; class frequency
Give the interval where the function increases or decreases, as requested.f(x) = x2 + 3decreases
A. [0,3] B. [-3,0] C. (-?,0) D. [0,?)