exam Maths Puzzle Numerical Ability

Combining functions. I have to find f over g. f(x)=4x(squared)-19x-63,g(x)=x-7. How do I factor the numerator?

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A car uses 3 gallons of gasoline on a trip of 39 miles. At that rate, how much gasoline will a trip of 65 miles require?Help me please? Could you please help solve for the following
Consider the function f(x)=x^2+4x+1
a) Find h, the x-coordinate of the vertex of this pabola.

B) Substitute the two integers imm