Plz ! 17 points! 2. what is the domain of the function {( 1, 1), {0, 0}, ( 2, -1)} ? a. {-1, 0, 1} b. {-1, 0, 1, 2} c. { 0, 1, 2} d. {(1, 1), {0, 0}, (1, 0), (2, -1)} 3. suppose that the function f(x) = 5x + 3 represents the number of cars that drive by in x minutes. how many cars will drive by in 10 minutes? a. 80 b. 53 c. 50 d. 35

2.  C. { 0, 1, 2}

3.  B. 53

6.  P = 14n + 10

Step-by-step explanation:

2.  The domain is the input values (or the x values)

The domain is { 0,1,2}

3.  f(x) = 5x+3

 where x is the number of minutes.  We will let x = 10

f(10 ) = 5*10 +3

       = 50+3

      = 53

53 cars will pass

6.  When we have 1 trapezoid, the perimeter is 5+5+8+6 = 24

When we have 2 trapezoids, the perimeter is 5+8+6+5+8+6 = 38

We add 14, when we add a second trapezoid

P = 14n + 10

p(1) = 14+10   Check for 1 trapezoid

p(2) = 14*2 +10 = 28+10 = 38    check for 2 trapezoids

2. You're given a function that maps 1 to 1, 0 to 0, and 2 to -1. The domain is the set of points that are given to the function as inputs, {1, 0, 2}, which is equivalent to the set listed in option C.

3. Evaluate at :

so the answer is B.

6. Each trapezoid in the chain contributes a copy of 8 and 6 (a total of 14), so that we should expect the total perimeter to contain . The remaining two sides contribute a constant 10 regardless of . So the perimeter is given by the formula in D, .

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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