Exam 5: Polynomials: Operations

Solve the problem. -The weight W (in ounces) of a fish caught in a certain lake is given by , where x is the length in inches. Use the graph below to find the approximate value of + 1.2 for x = 15.

Solve the problem. -During the first seconds, the height h in feet of a baseball after t seconds is given by . Use the graph below to estimate the height of the ball after 4 seconds.

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -The earth is approximately 92,900,000 miles from the sun. If 1 m, what is the distance to the sun in meters?

Convert to decimal notation. -

Multiply. -(-4x + 5)(x + 8)

Multiply. -(x - 1.9)(x + 3.3)

Solve the problem. -The distance D, in feet, it takes a car travelling at x mph to come to a full stop after hitting the brakes is given by . What is the stopping distance for a car travelling at 40 mph?

Add. -

Multiply mentally. -

Provide an appropriate response. -

What is the meaning of the expression? -0.053

Divide and simplify. -

Collect like terms and then arrange in descending order. -

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -The national debt of a country is $34,240,000,000 and the population is 8,560,000. What is the debt per person? Write answer without exponents.

Multiply. -

Simplify. -

Add. -

Collect like terms. -

Multiply mentally. -

Collect like terms. -