exam Maths Puzzle Numerical Ability

Find the remainder when 3x^3-9x^2+7x+4 is divided by x+4.

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exam Other Question

1) Find the domain of the following:

a) f(t)=log(t-5)
b) g(x)=5e
c) g(x)=ln(x+4)
d) g(t)=5numbers of years

explain how the answer was obtain A train travelled at m mi at a speed of s mph. A bus followed the same rout travelled 5 mph slower. How much longer did the bus take than the train to make this trip? Write the answer as a singla rational expression.