Write out the sum. Do not evaluate.
A. 
+ 
+ 
+ 
+ 
B. 
+ 
+ 
+ 
C. 
+ 
+ 
+ 
+ 
D. 
Answer: C
Mathematics
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Solve the initial value problem for x as a function of t.(t + 1) 
= x2 + 1 , t > -1 , x(3) = tan 1
A. x = tan [ ln
- ln 4]
B. x = 
- 
C. x = tan-1 [ ln
- ln 4 + 1]
D. x = tan [ ln
- ln 4 + 1]
Mathematics
Solve the equation.
+ 
= 
A. x = - 
B. x = - 
C. x = - 
D. No solution
Mathematics
Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 1
Mathematics
Solve. Round to the nearest tenth.A 28-ft-tall ladder is placed so that it reaches 20 ft up on the wall of a house. How far is the base of the ladder from the wall of the house?
A. 384 ft B. 19.6 ft C. 1184 ft D. 34.4 ft
Mathematics