My Grade spr X M WileyPLUS MasteringPhysics x C Chegg Study

My Grade spr X M WileyPLUS MasteringPhysics x C Chegg Study I Guided solutio x C Secure https dugen.wileyplus.com. Jedugen/student/mainfr.uni Wiley PLUS Connally, Functions Modeling Change, 5e Home Read, Study & Practice Assignment Gradebook ORION Assignment Open Assignment ASSIGNMENT Chapter 5, Section 5.2, Question 008 RESOURCES Sections 5.1 5.2, & Convert Q- 0.7) to the form y ae 5.3 S Secti 1) Enter the exact answer. Tl Chaoter Section Chapter 5 S 03Sb 2) Round your answer to three decimal places. S Secti 3) Using the previous results, enter the formula. S Secti ter or ed 5.1 053 S Secti 5, Secti 008 S Secti 5.2 050 License Agreement l Privacy Policy I 2000-20 John Wiley & Sons, Inc. All Rights Reserved. A Division of lohn Wiley & Sons Inc. PRE-CALCULUS (MAT 1025 FULL SCREEN PRINTER VERSION BACK NEXT Version 4.22.2.9

Solution

Q=10(0.7)^t , y=a e^kt

Here Q=y

therefore a=10

and 0.7^t=e^kt

Taking ln on both sides

t ln 0.7= k t

k=ln 0.7=-.357

Q= 10 e ^{-0.357 t}