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ivano_logy
 3 years ago
If 4^y=7, then the value of 4^3y+2 is?
ivano_logy
 3 years ago
If 4^y=7, then the value of 4^3y+2 is?

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ash2326
 3 years ago
Best ResponseYou've already chosen the best response.2\[4^y=7\] \[4^{3y}=(4^y)^3\] So you'll get \[\large 4^{3y}=7^3\] Can you solve now?

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.0343 isn't the final answer, but it gets you there

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.0is the +2 in the exponent when you say 4^3y+2 ie is the problem \[\Large 4^{3y+2}\] or is it \[\Large 4^{3y}+2\]

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.0if it's the second one, then you're correct

ivano_logy
 3 years ago
Best ResponseYou've already chosen the best response.0It's the second one 4^(3y)+2

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.0ok then you got it, just making sure
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