exam Maths Puzzle Numerical Ability

find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weigh

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exam Other Question

Given f(x)=3^x, which statement is true?
a) f(x+y)=f(x)+(y)
b) f(x+y)=f(x)f(y)
c) f(xy)=f(x)+f(y)
d) f(x/y)=f(x-y) Mr. Turner invested a sum of money at 7% and twice that sum at 3%. His yearly return was $390. How much did Mr. Turner invest at each rate?