Exponential functions intro!

Which is the basic form of an exponential function?

• $y=mx+b$

• $y=a\cdot b^x$

• $y=a\left|x\right|$

What type of function is y = 7(5/4)^x?

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth

• Decay

What is a, the initial amount, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Is this exponential growth or decay?

• Growth

• Decay

If you have $10, and your money doubles every year, how much money will you have in 10 years?

• $50

• $100

• $5120

• $10240