Find the composition.f(x) = 8x - 7; g(x) = 4x2 - 6x - 3Find (g ? f)(4).

A. -53
B. 2347
C. -95
D. 289


Answer: B

Mathematics

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Write the expression in terms of sines and/or cosines, and then simplify. + 

A. 1 B. 1 + cos2 x C. 1 +  sin2 x D. 2 cos2 x

Mathematics

Find a Cartesian equation for the line whose polar equation is given.r cos = 4

A. y = 8 - x
B. y = x + 4
C. y = 8 - x
D. y = 4 - x

Mathematics

Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.2x2 + 5y2 - 12x + 70y + 253 = 0

A. C(-3, 7); V(-3 ± , 7);  +  = 1
B. C(3, -7); V(3 ± , -7);  +  = 1
C. C(3, -7); V(3 ± , -7);  +  = 1
D. C(-3, 7); V(-3 ± , 7);  +  = 1

Mathematics

Write the first four terms of the sequence.an = 

A. - - 
B. - - 
C. - - 
D. - - 

Mathematics