RRB Government Jobs Exams

Find the constant b so that the three points A(2 , 3), B(4 , 7) and C(8 , b) are
collinear (i.e. on the same line).

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RRB Other Question

Function g is given by g(x) = 2(x - 3)(x- 7). Find the value of x that makes g(x)
maximum
Which of the following equations represent y as a function of x?
a) x^2 + y = 5
b) x^2 - 7x + y^2 = 0
c) x^2 - y^3 - 9 = 0
d) |x| - |y| = 0