exam
Maths Puzzle
Numerical Ability
is there y-axis symmetry for the rational function f(x)= -4x^2/6x^4-3
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exam Other Question
After getting a 15% discount on the price of a new Chrysler Sebring convertible, Helen paid $27,000. What was the original price of the convertible?
I want to know if this problem is correct:
(y-2/3)^2 = 49
y - 2/3 = + or - Square root 2/3
If y - 2/3 = 2/3 then y = 4/3
If y - 2/3 = -2/3 then y = 0
Is this solution correct the way it is worked out?