Find the domain and the vertical asymptote of the function.f(x) = 4 - log2x
A. Domain: [0, ?); vertical asymptote: x = 0
B. Domain: [0, ?); vertical asymptote: none
C. Domain: (4, ?); vertical asymptote: x = 4
D. Domain: (0, ?); vertical asymptote: x = 0
Answer: D
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Give the degree of the polynomial and identify its leading coefficient.11q2r2 + rs3 + 13qr3s
A. degree: 5; leading coefficient: 11 B. degree: 4; leading coefficient: 11 C. degree: 5; leading coefficient: 13 D. degree: 4; leading coefficient: 1
Find the phase shift of the function.y = -3 - 2 sin 
A. 
units to the right
B. 
units to the right
C. 
units to the left
D. 
units to the left
Solve the problem.There are 30 students in Ms. Roth's preschool class. All of of the students own either cats or dogs, and some have both cats and dogs. If 18 of the students own dogs and 22 own cats, how many own both cats and dogs?
A. 10 B. 12 C. 8 D. 20
Provide an appropriate response.Which of the four methods of solving quadratic equations work(s) for any quadratic equation?
A. The quadratic formula and factoring B. Finding square roots and the quadratic formula C. Factoring D. Completing the square and the quadratic formula