If f(x) = 2x + 7 and g(x) = x^2 + 7, x \in R , then what are the values of x for which fog(x) = 25?

Correct Answer is : −√2,√2

UPSC NDA Math Model Paper 10

Question : 61 of 120

Marks: +1, -0

If f(x) = 2x + 7 and g(x)=x2+7,x∈R , then what are the values of x for which fog(x) = 25?

Go to Question:

Prev Question

Next Question