Answer:
No, it's not.
Step-by-step explanation:
2b + y = 15 is not an expression because it's an equation containing an equal sign. An expression cannot include inequality signs or equal signs.
Answer:
x - 
Step-by-step explanation:
A polynomial has the form
first term is the term of highest degree followed by term of second etc.
note that x =
← degree 1
x -
fits this description and is a polynomial of degree 1
Answer:
x=1
Step-by-step explanation:
4(x+5)= 24
4x+20=24
-20 -20
____________
4x = 4
___ ____
4 4
x= 1
Dy/dx (2x⁵ y³ - 4y/x)
dy/dx (2y³ x⁵ - 4y/x)
dy/dx ( 2y³ x⁵ ) - dy/dx (4y/x)
= 2y³ 5x⁴ - (-4y × 1/x²)
=
10x⁶ y³ + 4y
-------------------
x²