Determine whether f is continuous at c.f(x) = 
; c = 1
A. continuous
B. not continuous
Answer: B
Mathematics
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Find the indicated term of the arithmetic sequence.7, 2 , -3, -8, . . . ; a20
A. -93 B. 88 C. 93 D. -88
Mathematics
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (0, 2
) and (0, -2
)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (2
, 0) and (-2
, 0)
Mathematics
Solve the problem.Midtown Delivery Service delivers packages which cost $1.60 per package to deliver. The fixed cost to run the delivery truck is $110 per day. If the company charges $6.60 per package, how many packages must be delivered daily to break even?
A. 22 packages B. 14 packages C. 13 packages D. 68 packages
Mathematics
Find different polar coordinates (r, ?) for the same point under the given conditions.
, r < 0 and 2? < ? < 4?
A. 
B. 
C. 
D. 
Mathematics