Thank you 1. Determine, each of the following, whether or no dsens afs) = (1-x\'

Question

Thank you 1. Determine, each of the following, whether or no dsens afs) = (1-x'ya f(x) = (1-2)" a. b. b, Yes/No. Reasons: Yes/No. Reasons : g(u)=21'-7 g(u)=2d-7 c, h(t) = t + liftS-1 and h() = tift2-1 d. k(t) =t+lifts-1 and k(t) tift21 e. k(x)-1 if x 0, k(x)-10 ifx=0, k(x)--1 ifx> 0 Yes/No. Reasons : 2. Find the range and domain of each of the follow e re and domain of eahadhe folau y=(x-4)" Domain = (- a, C-3 Domain- rk)4--4 Domain Domain 3. Let A(r) = the area function a circle (a function Write aformulafor A(r): A= Which of the following represents the area A whose rad Ar+ 0.10) A(0.10r) a. b. A(L.Ir) 4. Sokve by sketching the graph of the llowing sc 4. Solve by sketching the graph of the following set

Explanation / Answer

1.

a) no. because domain is not R.

b. yes

c)no. at x = -1 function has two values.

d)no. domain is not R

e)yes.

2.

a) Domain is R(All real numbers i.e (-infinity, infinity) becuase function is defined everywhere.

range is also R.

b) Domain [-3,3]. because at other values function is not defined as squareroot becomes negative.

range [0,3].

c)Domain [4,20], Because the inner root gives minimum value of x should be greater than 4 and outer root gives x should be less than 20.

range [0,2]

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