Decide what values of the variable cannot possibly be solutions for the equation.
- 
= 
A. -3, 0, 9
B. -9, 3
C. -3, 9, -27
D. -9, 0, 3
Answer: B
Mathematics
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 2an
A. 1, 2, 4, 8, 16 B. 2, 4, 8, 16, 32 C. 2, 3, 4, 5, 6 D. 1, 3, 5, 7, 9
Mathematics
Provide an appropriate response.Find the product: 4x2(3x2 - 2x + 1)
What will be an ideal response?
Mathematics
Find the curvature of the curve r(t).r(t) = (9t + 6)i - 2j + (3 - 
t2)k
A. ? = 9
B. ? = 9
3/2
C. ? = 
D. ? = 
Mathematics
Find the focus and directrix of the parabola with the given equation.- 
x2 = y
A. focus: (-4, 0) directrix: x = 2 B. focus: (0, -2) directrix: y = -2 C. focus: (0, -2) directrix: y = 2 D. focus: (0, 2) directrix: y = -2
Mathematics