Solve the problem.A college student earned $5400 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $400 in interest at the end of the year, how much was invested at 
A. $2700
B. $2200
C. $771
D. $3200
Answer: B
Mathematics
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The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.3, 9, 27, 81, 243, ...
A. an = 3n-1 + 2 B. an = 6n C. an = 3n D. an = 3 + 6(n - 1)
Mathematics
Write a formula for the general term (the nth term) of the geometric sequence.2, -4, 8, -16, 32, . . .
A. an = 2(-2)n B. an = 2(-2n) C. an = a1 - 2n D. an = 2(-2)n - 1
Mathematics
Draw a sketch to represent the vector. Refer to the vectors pictured here. 
-b
A. 
B. 
Mathematics
Let f(x, y) = x3y + ex + 3y. Compute 
(1, 0).
A. 3 + e B. 6 + e C. 6 D. 3 + 3e E. none of these
Mathematics