Question

Which of the following is a point where the graph

of the function f(x) = (2x + 5)2 intersects the
X-axis?

Answer 1

-When (2×-5) intersects at ×-axis the value of × will be zero.

=>F(×)=× 0=2×-5

hence,

0,=2×-5

5=2×

=>×=5/2

Explanation:

hpe it hlps