Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = x2 + 7x - 2; f '(0)
A. f '(x) = x + 7; f '(0) = 7
B. f '(x) = 2x + 7; f '(0) = 7
C. f '(x) = 2x - 2; f '(0) = - 2
D. f '(x) = 2x; f '(0) = 0
Answer: B
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Divide. 
A. 
B. 
C. 
D. 
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. x + 4y = 112x + 3y = 2
A. (5, 5) B. (4, -5) C. (-6, 5) D. (-5, 4)
What does the abbreviation stand for?ROG
A. received on ground B. returned over ground C. receipt of goods D. return of goods
Find the missing parts of the triangle. A = 44.29°a = 51.82 ydb = 63.64 ydIf necessary, round angles and side lengths to the nearest hundredth.
A. no such triangle B. B1 = 59.04°, C1 = 76.67°, c1 = 72.21 yd B2 = 120.96°, C2 = 14.75°, c2 = 18.89 yd C. B = 59.04°, C = 76.67°, c = 72.21 yd D. B1 = 76.67°, C1 = 59.04°, c1 = 72.21 yd B2 = 14.75°, C2 = 120.96°, c2 = 18.89 yd