exponential test questions

Which is the range for the function below.

 $y=-4^{2x}+6$  

•  $\left(-\infty,6\right)$  

•  $\left(-\infty,\infty\right)$  

•   $\left(6,\infty\right)$  

•   $\left(-\infty,-6\right)$  

Which is the domain of the function.

 $y=\log_5\left(x+1\right)-7$  

•  $\left(7,\infty\right)$  

•  $\left(-\infty,\infty\right)\$  

•  $\left(-\infty,\infty\right)\$  

•  $\left(-1,\infty\right)\$  

• 0.58

• 0.57

• 0.52

• 0.51

Solve:
_{log (4x − 5) = log (2x − 1)} 

• 0
• 1
• 2
• 3

Which of the following equations represents an exponential growth function?

• y=4(½)^x

• y=4(2)^x

• y=(3)^x

• y=3(½)^x

Evaluate log₄1

• 1
• 0
• 4
• undefined

Rewrite log_pt = m in exponential form.

• p^t = m
• t^m = p
• m^t = p
• p^m = t

Let  $f\left(x\right)=\log x$  and  $g\left(x\right)=\log\left(x\right)+6$  for  $x>0.$  How does the graph  $g\left(x\right)$  compare to the graph of  $f\left(x\right)$  ?

• The graph of g(x) is 6 units up.

• The graph of g(x) is 6 units down. 

• The graph of g(x) is 6 units to the right. 

• The graph of g(x) is 6 units to the left.

Describe the asymptote of f(x)=log₅(x+4) - 2

• Horizontal Asymptote x = -4

• Vertical Asymptote x = -4

• Horizontal Asymptote x = 4

• Vertical Asymptote x = 4

What value never changes in the logarithmic functions?

• Vertical asymptote

• Horizontal asymptote

• Domain

• Range