Subtract the polynomials.Subtract (-x3 + 3x2 + 10) from (8x2 - 5).
A. x3 + 11x2 + 5
B. x3 + 5x2 - 15
C. 9x3 - 2x2 - 10
D. 9x3 + 3x2 - 15
Answer: B
Mathematics
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Factor the expression completely.5x3 + 15x2 - 50x
A. (5x2 + 10x)(x - 5) B. 5x(x + 2)(x - 5) C. (x - 2)(5x2 + 25x) D. 5x(x - 2)(x + 5)
Mathematics
Find the composition. If f(x) = 6x2 - 5x and g(x) = 3x, find (g ? f)(x)
A. 6x2 - 10 B. 18x2 - 15x C. 54x2 - 5x D. 18x3 - 15x2
Mathematics
Find the line of symmetry.f(x) = -3x2 - 24x - 53
A. x = 5 B. x = -5 C. x = -4 D. x = 4
Mathematics
Find the derivative of the function.y = 
A. 
= -10x + 3 - 2x-2
B. 
= -10x - 2x-2
C. 
= -5x + 3 + 2x-2
D. 
= -10 - 2x
Mathematics