Solve.?5x + 9? < 2
A. x < - 
or x > - 
B. x < - 
C. - 
< x < - 
D. x < 5
Answer: C
Mathematics
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Frank's algebra grade is based on the average of four exams, which will count equally. His grades are 95, 70, 70 and 75. Find his average.
A. 72.5 B. 77.5 C. 82.5 D. 92.5 E. 87.5
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Determine the indefinite integral. Check your work by differentiation.
d?
A. cot ? + C B. ? + tan ? + C C. cos2 ? + C D. -cot ? + C
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Find the sum.2.0464 + 2.5899
A. 4.7363 B. 4.6353 C. 4.6263 D. 4.6363
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Simplify.
? 
+ 
? 
A. 
B. 
C. 
D. 
Mathematics