1.

Let f(x) = ax²+bx+c, where a,b,c are integers. Suppose f(a) = 0, 40 < f(6) < 50, 60 < f(7) < 70 and 1000t < f(50) < 1000(t+1) for some integer t. Then the value of t is A. 2B. 3C. 4D. 5 or more

Answer» Let f(x) = ax²+bx+c, where a,b,c are integers. Suppose f(a) = 0, 40 < f(6) < 50, 60 < f(7) < 70 and 1000t < f(50) < 1000(t+1) for some integer t. Then the value of t is

A. 2
B. 3
C. 4
D. 5 or more


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