Find dy.y = 7x2 + 3x + 3
A. 14x + 3 dx
B. 14x dx
C. (14x + 3) dx
D. 14x + 6 dx
Answer: C
Mathematics
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Identify the equation as linear or nonlinear.4x + 2y = -4
A. linear B. nonlinear
Mathematics
Simplify the expression.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify.-(3x + 8y - 2)
A. 3x + 8y - 2 B. -3x + 8y - 2 C. -3x - 8y + 2 D. -3x + 8y + 2
Mathematics
Solve the problem.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula d = 
, where W is the number of joules of work done to move the spring and k is the spring constant. Solve this equation for W. Use the result to determine the work needed to move a spring 4 centimeters if it has a spring constant of 0.6.
A. W = 2d2k; 19.2 joules
B. W = 
; 53.3 joules
C. W = 
; 1.4 joules
D. W = 
; 4.8 joules
Mathematics