Simplify each expression. Write the answer in standard form. 3z - 7z² - 5z + 5z² + 2z²

Simplify each expression. Write the answer in standard form. 5 + 8y² - 12y² + 3y

Name each polynomial based on its degree and number of terms. 17yx² + xy - 5

Simplify each expression. Write the answer in standard form. 3x + 2x² - 4x + 3x² - 5x

Write an exponential model given two points. (10, 43) and (11, 67)

Write an exponential model given two points. (9, 140) and (10, 250)

Find the amount in the account for the given principal, interest rate, time, and compounding period. P = $1,000, r = 2.8%. t = 5 years; compounded continuously

Find the amount in the account for the given principal, interest rate, time, and compounding period. P = 2,400, r = 5.25%, t = 12 years; compounded semi-annually

Find the amount in the account for the given principal, interest rate, time, and compounding period. P = 3,750, r = 3.5%. t = 20 years; compounded monthly

Find the amount in the account for the given principal, interest rate, time, and compounding period. P = 800, r = 6%. t = 9 years; compounded quarterly

Find the value of the integral ∫C [(3z³ + 2)/(z-1)(z² + 9)]dz, taken counterclockwise around the circle (a) |z - 2| = 2; (b) |z| = 4.

Evaluate the expression when x = 3, y = -4, and z = -6. 25. z - 2x/y

The exponential function models the annual rate of increase. Find the monthly and quarterly rates.

$$f(t)=2,000(1.03)^{t}$$

Evaluate the expression if x = 9, y = 4, and z = 12. (5z - 4x) + 3y