Find an for the given geometric sequence.a2 = -10, r = -2
A. an = 5(-2)n - 1
B. an = -10(-2)n - 1
C. an = 5(-2n)
D. an = 5(-2)n
Answer: A
You might also like to view...
The life expectancy E, in solar lifetimes, of a star is related to the mass M, in solar masses, by the formula
.
?
A: Make a graph of the life expectancy versus the mass. Include up to 20 solar masses.B: Does a larger star have a longer or shorter life expectancy?C: If one star is double the mass of another, how do their life expectancies compare? Express your answer as a percent.
?
Round your answer to two decimal places if necessary.
?
What will be an ideal response?
Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. Yes B. No
Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k.
A. f(x) = 2(x + 1)2 + 6 B. f(x) = -2(x - 1)2 - 6 C. f(x) = 2(x - 1)2 + 6 D. f(x) = 2(x - 1)2 - 6
Solve the problem.The information in the chart gives the salary of a person for the stated years. Model the data with a linear function using the points 
and 
A. y = -1242x + 23,500 B. y = 1000x C. y = 28.2x + 23,500 D. y = 1000x + 23,500