Solve pls for the function -2x²+x+1 find f(3)

Mathematics

1 answer:

castortr0y [4]3 years ago

3 0

Answer:

f(3) = -14

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -2x² + x + 1

f(3) is x = 3

Step 2: Evaluate

Substitute: f(3) = -2(3)² + 3 + 1
Exponents: f(3) = -2(9) + 3 + 1
Multiply: f(3) = -18 + 3 + 1
Add: f(3) = -15 + 1
Add: f(3) = -14

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A silo is not the shape of a cone. The silo is 8 meters tall and it's base has a diameter of 3 meters. Soybeans cost $414 per cu

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Answer:

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Step-by-step explanation:

We have been given that a silo is in the shape of a cone. The silo is 8 meters tall and it's base has a diameter of 3 meters. Soybeans cost $414 per cubic meter. We are asked to find the total cost to fill the silo with soybeans.

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