Exponential function

Which of the following corresponds to an exponential function?

• 
   $f\left(x\right)=ax^2$ 

• 
  $f\left(x\right)=a^x$

• 
  $f\left(x\right)=x^a$

• 
  $f\left(x\right)\ =\ ax^3$

What type of shift does the following exponential presents?

• Horizontal

• Vertical

• Both

• Neither

What type of shift is the following exponential function presenting?

• There is no shift present

• Vertical shift

• Horizontal shift

• Both horizontal and vertical shifts

 $f\left(x\right)=3^x+2$  Is an exponential function with ____________________ shift...

• Oblique

• Horizontal

• Vertical

• None of the options
  

• 
• 
• 
• None of the options

The range for the function  $f\left(x\right)=4^x-1$  is:

• (-1, ∞)

• (-∞,∞)
  

• [-1,∞)

• (-1,∞]

• [-1,∞]

Exponential functions ALWAYS have a vertical asymptote

• True

• False

For the function y =4^x, what is the ordinate to the origin?

• 0

• 1

• 4

• $\not\ni$

The equations that corresponds to this graph, is:

• $f(x)=5^x$

• $f(x)=5^{x+1}$

• $f(x)=5^x-1$

• $f(x)=5^{x-1}$

The equations that corresponds to this graph, is:

• $f(x)=\left(\frac{4}{5}\right)^x$

• $f(x)=\left(\frac{4}{5}\right)^{x-1}$

• $f(x)=\left(\frac{4}{5}\right)^{x+1}$

• $f(x)=\left(\frac{4}{5}\right)^x+1$