Evaluate $f ( x ) = \log x$ at the indicated value of x.Round your result to three decimal places. $x = \frac { 1 } { 100 }$
A)-0.5
B)0.01
C)0.5
D)-2
E)2

Question

Evaluate $f ( x ) = \log x$ at the indicated value of x.Round your result to three decimal places.​ $x = \frac { 1 } { 100 }$ ​
A)-0.5
B)0.01
C)0.5
D)-2
E)2

Quizplus · Accepted Answer

Substitute x=-0.5 in the expression and simplify:
11ea99db_b5b6_1cc8_94ac_0553a691d7b2_TB4590_11 = -2(-0.5)^3 + 3(-0.5)^2 - 4(-0.5) - 1
= -2*-0.125 + 3*0.25 + 2 - 1
= 0.25 + 1
= 1.25
Rounding to three decimal places gives 1.250, which matches with the given expression value at x=-0.5. Hence, the correct choice is D.

Evaluate f(x)=log⁡xf ( x ) = \log xf(x)=logx At the Indicated Value of X

Evaluate $f ( x ) = \log x$ At the Indicated Value of X