Combine like terms when possible. 3x6 + 6x6 - 5x6
A. 4x18
B. -90x6
C. 4x6
D. cannot be simplified
Answer: C
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Use the change-of-base formula to find the logarithm. Round your answer to four decimal places. log2 7
A. 2.8074 B. 5.6148 C. -2.8074 D. 0.3562
Solve the problem.Find the amount in a savings account at the end of 5 years if the amount originally deposited is $3000 and the interest rate is 6.5% compounded quarterly.Use: A = P
ntwhere:A = final amountP = $3000 (the initial deposit)r = 6.5% = 0.065 (the annual rate of interest)n = 4 (the number of times interest is compounded each year)t = 5 (the duration of the deposit in years)
A. $4141.26 B. $4555.39 C. $3251.80 D. $60,975.00
Determine whether function f represents exponential growth, exponential decay, linear growth or linear decay. Find a formula for f.
A. Exponential growth; f(x) = 7(3)x
B. Linear growth; f(x) = 14x + 7
C. Linear decay; f(x) = 
x + 7
D. Exponential decay; f(x) = 3
x
Use a calculator to find the approximate value of the composition. Round answers to four decimal places, if necessary.tan (tan-1 (-8.4))
A. -5.3 B. -8.4 C. 11.5 D. 8.4