When 3+4i2+i is expressed in the form a+bi, what is the value of a?

For a certain type of injury, the equation yˆ=4.094x+6.255 models the number of minutes a patient can walk on a treadmill, where x is the number of sessions they had since their recovery began.

Determinathe value of y, if x is - 4. Y = 12/x + 10

The sophomore class holds a car wash to raise money. A local merchant donates all of the supplies. A wash cost $5 per car and $6.50 per van or truck ...

Given the functions f (x) = 7x + 13 and g (x) = x^2 + 2, which of the following functions represents f[g (x) ] correctly? f[g (x) ] = 7x^2 + 27 f[g (x) ] = 7x^2 + 15 f[g (x) ] = 49x^2 + 182x + 169 f[g (x) ] = 49x^2 + 182x + 171

Nick had 3 1/4 bottles of water for his wrestling practice. When he finished he had 1 2/4 bottles of water left. He said he used 2 1/4 bottles of water during the practice. Do you agree? Explain.

1. f (x) = (x 81+2 What is the domain?

When rounding a number, what should you do with the digits to the right of the place to which you are rounding

Trevor earns $7.80 an our take-home pay and works 20 hours each week to buy a new laptop computer to take to college that cost $780 how many weeks will it take for church to achieve his goal

What is each sum or difference? (7-2i) + (-3+i) (1+5i) - (3-2i) (8+6i) - (8-6i) (-3+9i) + (3+9i)

Si: P (x) = 3x; R (x) = 2x; calcula : P (R (0))