Find the coordinates of the vertex of the quadratic function.f(x) = -(x + 4)2 + 8
A. (8, 4)
B. (8, -4)
C. (-4, 8)
D. (4, 8)
Answer: C
Mathematics
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Find the interval of convergence of the series.
A. 1 ? x ? 7 B. x < 7 C. 3 ? x ? 5 D. -7 < x < 7
Mathematics
Graph the polar equation.r = 5 sin 4?
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.In a state with a population of 4,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $2.4 × 109 B. $24 × 1011 C. $24 × 1010 D. $2.4 × 1010
Mathematics
Differentiate.y = 
A. 
= x + 
B. 
= 1 - 
C. 
= 1 + 
D. 
= 1 + 
Mathematics