Find the domain and range.{(10,-8), (8,4), (-4,7), (-4,-5)}
A. domain = {-8, 4, 7, -5}; range = {10, 8, -4}
B. domain = {10, 8, -4, 4}; range = {-8, 4, 7, -5}
C. domain = {10, 8, -4}; range = {-8, 4, 7, -5}
D. domain = {10, 8, -4, -14}; range = {-8, 4, 7, -5}
Answer: C
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Write a description of the set.E = {x | x ? N and 2 < x ? 19}
A. E is the set of natural numbers greater than 2 and less than or equal to 19. B. E is the set of integers greater than 2 and less than or equal to 19. C. E is the set of natural numbers greater than 19 and less than or equal to 2. D. E is the set of natural numbers greater than or equal to 2 and less than 19.
Find the equation of the axis of symmetry of the parabola.y = -4x2 - 16x - 11
A. x = 5 B. x = 2 C. x = -5 D. x = -2
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Find the quotient.(4x8 - 3x6 + x2) ÷ x
A. 4x7 - 3x6 + x B. 4x7 - 3x5 + x C. 1 D. 4x8 - 3x6 + x2