Find the composite function for the given functions.f ? g for f(x) = 4x + 5 and g(x) = -2x + 4
A. -8x + 14
B. -8x + 21
C. 8x + 21
D. -8x
Answer: B
Mathematics
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At the given point, find the slope of the curve or the line that is tangent to the curve, as requested.y5 + x3 = y2 + 9x, tangent at (0, 1)
A. y = - 
x - 1
B. y = 3x + 1
C. y = - 
x
D. y = 
x + 1
Mathematics
Evaluate the expression using the given values.b2 - 4ac ; a = 4, b = -3, c = 4
A. -55 B. -61 C. -51 D. -65
Mathematics
Solve the equation.5y = 80
A. 17 B. 16 C. 19 D. 18
Mathematics
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i - 4j, w = -2i + j
A. v1 = - 
(-2i + j), v2 = 
i - 
j
B. v1 = - 
(-2i + j), v2 = 
i - 
j
C. v1 = - 
(-2i + j), v2 = - 2i - 
j
D. v1 = - 
(-2i + j), v2 = - 
i - 
j
Mathematics