exam Maths Puzzle Numerical Ability

Given f(x) = 5x^ - 3x + 1, how would I find f(-2)?

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exam Other Question

Let ABC be a triangle. Let D be a point in the interior of <BAC. Let E be such that A-E-B.
1.Are B and E on the same side of AD? Why?
2.Are B and C on the same side of AD One number is 5 more than another number. Three times the first plus twice the second is 30.Find the numbers.