Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e2x + ex - 6 = 0
A. 0.69
B. 0.69, 1.10
C. 0.14
D. 1.10, 0.14
Answer: A
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Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 30 days?
A. $9.30 B. $4.65 C. $0.30 D. $2.33
Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.Two numbers total 16, and their difference is 20. Find the two numbers.
A. 18 and - 2 B. 8 and - 12 C. 16 and 2 D. 9 and 7
Evaluate the integral.
A. 1
B. 
+ C
C. 
+ C
D. 
+ C
? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.Given that sin ? = 
and cos ? = 
, find the value of sec ?.
A. 
B. 
C. 
D. 