exam Maths Puzzle Numerical Ability

f (x) = x2 - 7x + 10; find (a) f (0), (b) f (5), and (c) f (-2).

evaluate each function for the value specified please.

Thank you :)

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exam Other Question

On one side of a scale there are 4 blocks, 2 weighing 2 grams each and 2 weighing x grams each. The scale is balanced if 8 blocks weighing x grams each are placed on the other side of the scale. How much does each of the unknown blocks weigh? Can some please help me solve this math problem: Solve the equation 2x^2-5x+2=0 for x. I really appreciate it.

Thank you