exam Maths Puzzle Numerical Ability

Write the complex number -5i + 2i squar in standard form

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exam Other Question

Rewrite the equation 2x-3y=-6 as a function of x.

Graph the inequality
y<-4 (line under the greater sign)

Graph the inequality
y>1 (line under the lesser sign)

Graph My questions is what is the answer to :

If f(x) = -2x + 7, what is f(x+3)?

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