exam Maths Puzzle Numerical Ability

Help me solve

g(h(15))

if
g(x)=70
h(x)= -x^2 + 6x

Read Solution (Total 0)

exam Other Question

Please help! Thanks tutors!

log2(x-1) - log2(x+3)= log2(1/x) I have the equation but i cant find the answer please in a step by step show me how to do this

my equation so far

8+j-2/3j (equal or less than) 18

8+1/3j (equal or less than) 18