The appropriate choice is
Polynomial B. -3x⁴ +5x³ +5
_____
C and D are not trinomials. (They have 4 terms, not 3.) A is 5th degree, not 4th.
Answer:
66
Step-by-step explanation:
10% of 330 = 33
another 10% of 330 = 33
therefore, 20% of 330 = 66
Answer:

Step-by-step explanation:

Therefore 
Answer:
The third image
Step-by-step explanation:
Your mom
Answer:
Step-by-step explanation:
(1) = f(x) = 4x

(2) h(x) = x + 4
y = x + 4
Replace x with y and vice versa:
x = y + 4
And then solve for 'y':
y = x - 4

(3) h(x) = x - 4
y = x - 4
x = y - 4
y = x + 4

(4) h(x) = 2x
y = 2x
x = 2y
y = 
