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iwanttogotostanford
 one year ago
HELP WITH ACT PRACTICE QUESTION: if f(x)=x^2+x+5 and g(x) = sqrroot x, then what is the value of g(4)/f(1) ?
iwanttogotostanford
 one year ago
HELP WITH ACT PRACTICE QUESTION: if f(x)=x^2+x+5 and g(x) = sqrroot x, then what is the value of g(4)/f(1) ?

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freckles
 one year ago
Best ResponseYou've already chosen the best response.1enter 1 into the expression named f enter 4 into the expression named g

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0why?? I'm doing a practice test and i got this one wrong so i don't need the answer as much just how to do the problem!:)

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@dinamix @freckles can you explain why?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1have you entered 1 into the expression named f yet?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@freckles yes

freckles
 one year ago
Best ResponseYou've already chosen the best response.1f(x)=x^2+x+5 replace x with 1 g(x)=sqrt(x) replace x with 4

freckles
 one year ago
Best ResponseYou've already chosen the best response.1what do you get when you evaluate x^2+x+5 for x=1 and what do you get when you evaluate sqrt(x) for x=4?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1correct \[\frac{g(4)}{f(1)}=\frac{\sqrt{4}}{1^2+1+5}=\frac{2}{7}\]

dinamix
 one year ago
Best ResponseYou've already chosen the best response.0that correct @iwanttogotostanford

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks that wasn't so hard I guess
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