Simplify the expression.-
A. -5
B. -5
C. 5
D. -2
Answer: A
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Write the first four terms of the sequence.an = 
A. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
B. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
C. a1 = 1, a2 = 
, a3 = - 
, a4 = 
D. a1 = -1, a2 = 
, a3 = - 
, a4 = 
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a5 when a = 6, r = -3.
A. -486 B. 486 C. -1458 D. 81
Solve the problem.A certain store has a fax machine available for use by its customers. The store charges $2.35 to send the first page and $0.70 for each subsequent page. The total price, P, for the faxing x pages can be modeled by the formula 
. Determine the number of pages that can be faxed for $9.35.
A. 57 pages B. 11 pages C. 4 pages D. 13 pages
The path of a projectile projected horizontally with a velocity of v feet per second at a height of s feet, where the model for the path is 
. In this model (in which air resistance is disregarded),yis the height (in feet) of the projectile andxis the horizontal distance (in feet) the projectile travels. A ball is thrown from the top of a 150-foot tower with a velocity of 32 feet per second. Find the equation of the parabolic path.
?
A. 
B. 
C. 
D. 
E. 