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anonymous
 one year ago
*I don't want the flat out answer i want help *
Which of the following exponential functions goes through the points (1, 12) and (2, 36)?
f(x) = 4(3)−x
f(x) = 3(4)−x
f(x) = 3(4)x
f(x) = 4(3)x
anonymous
 one year ago
*I don't want the flat out answer i want help * Which of the following exponential functions goes through the points (1, 12) and (2, 36)? f(x) = 4(3)−x f(x) = 3(4)−x f(x) = 3(4)x f(x) = 4(3)x

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amistre64
 one year ago
Best ResponseYou've already chosen the best response.3trial and error are a mathmatikers best tools

amistre64
 one year ago
Best ResponseYou've already chosen the best response.3also, your notation as it posted is not useful. a^x indicates an exponent of x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh yeah , i keep forgetting to do that . Sorry !

amistre64
 one year ago
Best ResponseYou've already chosen the best response.3the longhand version, is just to setup 2 equations in 2 unknowns that match the stated points; let y = ab^x 12 = ab^1 36 = ab^2 a = 12/b = 36/b^2 12/36 = b/b^2 .... 3 = b

amistre64
 one year ago
Best ResponseYou've already chosen the best response.3i prolly messed that up in there somewhere ... but im outa practice by a few decades :)
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