exam Maths Puzzle Numerical Ability

1. Given the function f(x) = 2x2 + 6x + 7

a. Sketch a graph of the function.

b. Determine whether an input or output value is given and find its corresponding out

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exam Other Question

QUESTION: SOLVE THE FOLLOWING SYSTEM OF LINEAR INEQUALITIES BY GRAPHING

3X-Y<2
X+Y>2
For which m is the solution of the following sistem

0 < x^2-5x+6 and mx-4 < (2xm-5(x-m))/2

is x<2?

thanks a lot!!!