exam Maths Puzzle Numerical Ability

if h(x)=X3 andg(x)=1/x+5 find(g(x)) and g(h(x))

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exam Other Question

I do not understand these inequalities.. Please help me..

Solve for x: Graph the solution
A) 5-2x>15
B) |4-x|<6
C) |2x-5|-4=6 Does not need graphed
D) |3x-1|+6=4 Does not need graphed.

Thankyou so much.. Kelly Alice sells lamps at craft fairs. she uses the function F(x)=25x-250 to project her profit for selling x lamps. How would I graph this function and identify the slope and y-intercept.