Answers

2014-11-07T23:35:40+08:00
M=4p+3  when p is increased by 2  then m=4 x2 +3 = 11 ie m=11
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2014-11-08T00:13:57+08:00
m=4p+3
when p is increased by 2 (p+2), you'll have it as:
m=4(p+2) + 3
m = 4p + 8 + 3
m = 4p + 11
comparing the original expression and the attained expression after increasing p by 2, you'll have:
m(increase) = (4p + 11) - (4p + 3)
                      = 8
therefore m will increase by 8 when p is increased by 2

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