Step-by-step explanation:
f(x) = -7x² - x
g(x) = 9x² - 4x
(f - g)(x) = (-7x² - x) - (9x² - 4x)
(f - g)(x) = (-7x² - 9x²) + (-x + 4x)
(f - g)(x) = -16x² + 3x
(f - g)(1) = -16(1)² + 3(1)
(f - g)(1) = -16.1 + 3
(f - g)(1) = -16 + 3
(f - g)(1) = -13
Dodecahedron is a 3D shape, usually when it ends with hedron it is 3D.
Answer:
60
Step-by-step explanation:
To make 60 all you need to do is 30*3=60 I believe that it is 60
Answer:
Look at the attachment below :)
Step-by-step explanation:
When we are given just a X or a Y coordinate, we just graph that. In this example, y will always be -3 and x will be anything so its a straight line.