Find the derivative of the function.f(x) = 5x2 + 4x - 1 - 
A. f'(x) = 5x + 4 - 
B. f'(x) = 10x + 4 + 
C. f'(x) = 10x2 + 4 - 
D. f'(x) = 5x2 + 4 + 
Answer: B
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Write the number in standard form.2(cos 270° + i sin 270°)
A. -2i B. -i C. 2i D. -2
Solve f(x) = 0 for the given f(x).f(x) = 
- 3
A. 
B. No solutions
C. 
D. - 
Solve the problem by writing and using a system of linear equations.A national wildlife refuge in Michigan has 123 thousand more trees than a national wildlife refuge in Ohio. The total number of trees for both is 361 thousand. Find the number of trees for each.
A. Ohio: 119 thousand trees Michigan: 242 thousand trees B. Ohio: 123 thousand trees Michigan: 238 thousand trees C. Ohio: 123 thousand trees Michigan: 246 thousand trees D. Ohio: 69 thousand trees Michigan: 192 thousand trees
Solve.A rectangular plot of land is 75 yards wide by 81 yards long. Find the length of the diagonal and, if necessary, round to the nearest tenth yard.
81 yd
A. 156 yd B. 110.4 yd C. 30.6 yd D. 111.5 yd