Rewrite the expression in terms of exponentials and simplify the results.(sinh x + cosh x)3
A. 
B. e3x
C. e3x - e-3x
D. ex3
Answer: B
Mathematics
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Evaluate the exponential form. -63
A. -36 B. 216 C. 1296 D. -216
Mathematics
Solve the problem by using addition, subtraction, multiplication, or division as needed.A spreadsheet contains 693 entries in a rectangular array which has 33 rows. How many entries are in each row?
A. 21 entries per row B. 22,869 entries per row C. 31 entries per row D. 660 entries per row
Mathematics
Use the quadratic formula to solve the equation.x(x + 2) = 7
A. -1 - i
, -1 + i
B. 1 + i
, 1 - i
C. 1 + 2
, 1 - 2
D. -1 - 2
, -1 + 2
Mathematics
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics