exam Maths Puzzle Numerical Ability

how do you find f(x)=ax+b in which f(2)=1 and f(-3(=11?
from mathematics for the international student:Mathematics SL-section 1c

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exam Other Question

For the following set, which number has the largest absoute value?

4, -1, 12, -25, 17, 0 This involves a circular pool. When it rains, the water falls off the top rim of the pool, splashes onto the ground and causes a muddy ring to form on the bottom of the pool wall,