What are the x - intercepts for the expression (x-4)(x+5)
2 answers:
You might be interested in
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Equality Properties
<u>Geometry</u>
- Volume of a Rectangular Prism: V = lwh
<u>Calculus</u>
Derivatives
Derivative Notation
Differentiating with respect to time
Basic Power Rule:
- f(x) = cxⁿ
- f’(x) = c·nxⁿ⁻¹
Step-by-step explanation:
<u>Step 1: Define</u>
<u /><u />
<u />
<u>Step 2: Differentiate</u>
- Rewrite [VRP]:
- Differentiate [Basic Power Rule]:
<u>Step 3: Solve for Rate</u>
- Substitute:
- Multiply:
Here this tells us that our volume is decreasing (ice melting) at a rate of 360 cm³ per hour.