Solve by the substitution method.-4x + 7y = -28 -2x - 2y = 8
A. ?
B. {(0, -4)}
C. {(0, -3)}
D. {(-1, -3)}
Answer: B
Mathematics
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Set up an integral for the length of the curve.y = , -
? x ?
A.
B.
C.
D.
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. = - 2;
= 1
B. = 2;
= 5
C. = - 2;
= -5
D. = -
;
= 0
Mathematics
Solve the rational inequality.3 + -
? 0
A. (-?, -2] ?
B.
C.
D. [-2, 0) ?
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = , shifted 8 units upward
A. y =
B. y = + 8
C. y =
D. y = - 8
Mathematics