Mr. K's Period 4 Precalc Blog
for number 21(4*5+1) on the hw 3.5 wut does it mean by the rule of the function?
posted by Dylan Gschwind at 4:35 PM
Blog for students in Mr. Karafiol's Period 4 Precalculus BC class to talk about math, learning math, etc.
posted by Dylan Gschwind at 4:35 PM
2 Comments:
I checked the answer in the back of the book and it gave the domain of the functions. So, I'm assuming that they mean the domain when they ask for the rule.
When they say the rule they want you to rewrite the composite of f and g as one expression. For example, f(x)=x^2 and g(x)=x+3. f(g(x))=f(x+3)=(x+3)^2.
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