Answer:
-1 < x < 0
Step-by-step explanation:
f(x) is a cubic function, so it can have up to 3 real zeros. The first option lists 4 intervals, which is too many.
Check the second option:
f(-1) = -6
f(0) = 7
f(x) changes signs between x=-1 and x=0, so there must be a 0 in that interval.
Answer:
−28−6^2x4
Step-by-step explanation:
Answer:
Step-by-step explanation:
1. 0.447 < 0.474
2. 0.474 > 0.447
3. 0.447 < 0.474
4. 0.474 > 0.447
First cut the shape into a square, triangle and rectangle. Then add all 3 areas. Area of a quadrilateral is A= b x h So once square is 4 X 4= 16. The rectangle has a area of 4 x 2= 8. The triangle, using the formula 1/2bh has an area of 1/2 x 2 x 4 = 4. So the area of the shape is 16 + 8 + 4 = 28 units
(2,-9) is a solution to the equation
