Sketch the parabola that has a distance between the directrix and its focus to be 4 units.
?
A. ?
B. 
C. 
?
D. ?
Answer: C
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Provide an appropriate response.If f(x) = x2 - 2x + 3, find:(a)the domain(b)f(2)(c)f(-2)(d)f
(e)f(t3)(f)f(s + 1)(g)f(x + h)
What will be an ideal response?
Solve the problem.The table shows an area's population (in millions) every 10 years from 1975 to 2015. What was the difference in population from 1985 to 2015? 
A. 1.416 million B. 4.956 million C. 3.54 million D. 41.064 million
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Use the zero-product property to find all complex solutions of the equation.x3 - 8x2 + x - 8 = 0
A. {-8, ±i} B. {±1, 8} C. {8, ±i} D. {±8, i}