Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Not exponential
B. Exponential; a = 9
C. Exponential; a = 2
D. Exponential; a = 7
Answer: A
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Express in terms of sums and differences of logarithms.logb
A. 
logbx ? logby ÷ 
logbz
B. 
logbx + logby - 
logbz
C. 
logbx + 2logby - 5logbz
D. 
logbx - logby + 
logbz
Write the sentence as a linear equation in two variables. Then graph the equation.The y-variable is 5 less than 7 times the x-variable.
A. y = 7(x - 5)
B. y = 5x - 7
C. y = 5 - 7x 
D. y = 7x - 5
Solve the problem.A surveyor standing 62 meters from the base of a building measures the angle to the top of the building and finds it to be 36°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower?
A. 7.88 m B. 8.9 m C. 12.05 m D. 21.44 m