Solve the equation for y in terms of x.ln y + 7 ln x = 1 - ln 4
A. y = 5 - x7
B. y = 
C. y = 
D. y = 5 - 7x
Answer: C
Mathematics
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Solve the problem and answer the question.A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 4
hr
B. 
hr
C. 9 hr
D. 7 hr
Mathematics
Evaluate the integral.
2x dx
A. - 
+ 
cot 2x + C
B. - 
- 
cot 2x + x + C
C. - 
+ 
cot 2x - x + C
D. - 
+ 
cot 2x + x + C
Mathematics
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -2x2 + 8x - 10
A. (-2, -2) B. (-2, 18) C. (2, 18) D. (2, -2)
Mathematics
Solve the inequality and write the solution set in interval notation.4x > 0
A. (-?, 0) B. ? C. (0, ?) D. (-?, ?)
Mathematics