A small software company invests $24,425 to produce a software package that will sell for $70. Each unit can be produced for $45.84. How many units must be sold to break even?
?
A. 911 units
B. 811 units
C. 1211 units
D. 1011 units
E. 1111 units
Answer: D
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Solve the problem.Tom and Larry are food inspectors at a cookie making company. Tom tests every 20th batch of dough for fat percentage. Larry tests every 28th batch of dough for carbohydrate percentage. If they both start working at the same time, which batch will be the first that they both test?
A. The 140th batch B. The 280th batch C. The 70th batch D. The 35th batch
Solve the equation.80 - 
= 
A. 
B. 
C. {315}
D. {5}
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x(x2 - 5)
A. 0, multiplicity 1
B. 
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
C. 0, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
D. 0, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
Rationalize the denominator.
A. 
B. 
C. 
D. 