The answer is option c (-1,0)
Solving the equation you get that the zeros of this are approximately
x ≈ -2.8019
x ≈ -1.4450
x ≈ 0.24698
Then the function has three real roots, but none of them is within the range (-1,0)
Below is a graph of the function.
Answer:
D - 10
Step-by-step explanation:
15x - 30 = 10x + 20
15x = 10x + 50
5x = 50
x = 10