exam Maths Puzzle Numerical Ability

find the x intercept for -x2+7x-11
it is x square

and x intercept for -x2 -2x-1
this is also x square

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exam Other Question

One number is 5 more than another number. Three times the first plus twice the second is 30.Find the numbers. Which of the following is a translated version of f(x) = x^3?

a. f(x) = x^3 + 1
b. f(x) = (x - 12)^3
c. f(x) = (x - 12)^3 + 1
d. All of the above