exam Maths Puzzle Numerical Ability

Solve the equation:

x^-2 - 15x^-1 + 44 = 0

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exam Other Question

Could someone help me graph the following problem?
Can you show me the graph because I have to send it through the computer and need help.

Graph f(x) = 3x + 2

Thank you so much,
Lyn
Graph f(x) = 3x + 2

Thank you.