exam Maths Puzzle Numerical Ability

evaluate each function for the value specified

f(x)=x^2-7x+10, find (a)f(0),(b) f(5), and (c) f(-2)

Please help this relates to the function notation, I dont
understand how to do this problem.

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exam Other Question
write the point-slope form of the equation of the line that passes through the two points



(4, -2), (-9, 5)

Thanks for help how can I rewrite without parethesis use distribution using mailman property.
3+(+^3+^2-2+1)

how can I simplify this in radical form?
squareroot of 3+2 squareroot of 3=