exam Maths Puzzle Numerical Ability

given f(x)=3x^2 - 5x + 2:
Find f(-4)

Find f(m+1)

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exam Other Question

a water tank contains 230 L of water when it develops a leak. Water drips out at a rate of 1.5L/min. How long would it take for all the water to drip out? Can someone help me solve this problem?

Subtract:

8 gal. 7 qt.
- 3 gal. 2 qt.

Thanks,
Sher