Determine the integral by making an appropriate substitution.
dx
A. - 
+ C
B. - 
+ C
C. - 
+ C
D. - 
+ C
Answer: C
Mathematics
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Translate the question into an equation. Do not solve.What number is 7% of 21?
A. n ? 7% = 21 B. n = 7 ? 21 C. n ? 7 = 21 D. n = 7% ? 21
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 4)(x + 3)(x - 9) > 0
A. (-4, -3) ? (9, ?) B. (9, ?) C. (-?, -3) D. (-?, -4) ? (-3, 9)
Mathematics
Solve the equation.4x - (3x - 1) = 2
A. - 
B. 
C. 1
D. - 1
Mathematics
Find the equation of the line tangent to the graph of f at the indicated value of x.f(x) = 8 + ln x; x = 1
A. y = x + 7 B. y = x + 9 C. y = x - 7 D. y = x - 9
Mathematics