- _Function Notation is just a more advanced way of writting the value of Y.
While the given set
does represent a relation (because x's
and y's are
being related to each other), they gave me two points with the same x-value: (2, –3) and (2, 3). Since x
= 2 gives me two possible destinations, then this relation is not a function.
http://www.purplemath.com/modules/fcns2.htm
Linear Function
Example:
At Mary Woung Wonton Soup Factory, It cost 250 to run a factroy for a day. But for every bowl of soup made it cost 5 dollars. How much money will it take to make 20 bowls of soup, 35 bowls of soup and 50 bowls of soup??
Equation:
Y=250+5(x)
Y=250+5(20) Y=350
Y=250+5(35) Y=425
Y=250+5(50) Y=500
Exponiental Function:
Example:
Find the y–intercept of the function.
f(x) = 4x + 6
Example:
At Mary Woung Wonton Soup Factory, It cost 250 to run a factroy for a day. But for every bowl of soup made it cost 5 dollars. How much money will it take to make 20 bowls of soup, 35 bowls of soup and 50 bowls of soup??
Equation:
Y=250+5(x)
Y=250+5(20) Y=350
Y=250+5(35) Y=425
Y=250+5(50) Y=500
Exponiental Function:
Example:
Find the y–intercept of the function.
f(x) = 4x + 6