Answer:
Option C is the correct option.
Step-by-step explanation:
Discriminant =
Given d = 15
When discriminant D > 0 --> roots are real and distinct. ( unequal )
So , option has real and distinct roots.
Hope this helps..
Best regards!!
it's answer is C. 1
Given
f(x) = -2x + 7
f(3) = - 2 * 3 + 7
= - 6 + 7
= 1