exam Maths Puzzle Numerical Ability

Write the equation of the line passing through (-1,7) and (-1,1)

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exam Other Question

PLease help to factor :

64a^3c^6 + x^6y^9 If f(x) = 2x^2 + 6x - 5, then
[f(x + h) - f(x)]/h =

a. 6x + 3h - 4
b. 4x + 2h - 3
c. 10x + 5h + 2
d. 10x + 5h - 3
e. 8x + 4h + 5
f. 4x + 2h + 6
g. none of these