exam Maths Puzzle Numerical Ability

Given f(x) = 3x + 3, find f(a + 1).
A) a + 7 B) a + 6 C) 3a + 4 D) 3a + 6

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exam Other Question

Solve the eqqation
(y/5)-(2/5)=(1/3)-y Write the following phrase using symbols. Use the variable x to represent the number. Eight less than three times a number.Help me with this please.