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Mathematics 13 Online
OpenStudy (anonymous):

help please http://prntscr.com/zx9fz

OpenStudy (anonymous):

Well looking at this...are you able to tell how they got from like the first value for y to the second value of y?

OpenStudy (anonymous):

16 X4

OpenStudy (anonymous):

exponential

OpenStudy (anonymous):

oops my bad that was the wrong direction....it is exponential because the table can be represented by the function y= 16^x

OpenStudy (anonymous):

the x will be 4

OpenStudy (anonymous):

Hm...perhaps not....my function is wrong after graphing it and seeing that the 4th value is 4096 instead of the one given there

OpenStudy (anonymous):

Well sorry about that but in general I know there is a relationship in the values because each value time 4 equals the next value

OpenStudy (anonymous):

f(x)=4x+1 exponential, even if we didn't know anything about what the function actually is, the growth in f(x) is not a constant factor as x increases by 1, so it cannot be linear, thus it must be exponential since we only have two options

OpenStudy (anonymous):

This is an exponential function, we can see this because 4^2=16 4^3=64 4^4=256 4^5=1024 we notice that the variable is in the exponent, each time the exponent is increasing by 1 not the base. This is what defines an exponential function. 4^x. 4 as a base remains the same, x is what changes; the exponent is X. what about this answer

OpenStudy (anonymous):

^^ this, madam we call a good answer.

OpenStudy (anonymous):

no, a perfect answer good work

OpenStudy (anonymous):

Does the rule y=4.4^x represent a linear or an exponential function? Explain

OpenStudy (anonymous):

i think its exponential function

OpenStudy (anonymous):

yes. the above explanation is just great.

OpenStudy (anonymous):

i mean my next question what do you think about itDoes the rule y=4.4^x represent a linear or an exponential function? Explain

OpenStudy (anonymous):

that is the same thing as before. :)

OpenStudy (anonymous):

i cannot give the same answer i both the questions

OpenStudy (anonymous):

the table that you had, is the function \[y=f(x)=4\times4^x\]

OpenStudy (anonymous):

i know

OpenStudy (anonymous):

in the first one, the points "y" are exponents of "4" Hence the table represents an exponential function

OpenStudy (anonymous):

in the second one, you have "x" as the exponent of "4". So, y is the exponential function of "x"

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