Before looking at a solution, try to sketch the surface or curve.
I've been using this solution manual to work through the exercises in Do Carmo's textbook, and I've found it to be an invaluable resource. The solutions are accurate and reliable, and they've helped me to fill in any gaps in my understanding of the material. Before looking at a solution, try to sketch
Chief Data Strategy Officer
Shawndra Tobias transforms chaos into clarity. At ETSLabs, she’s the strategic architect behind the data science revolution that makes QEval not just smart, but strategically brilliant.
Her journey from Etech sales agent in 2000 to Chief Data Strategy Officer reads like a masterclass in understanding every facet of contact center operations. Each role—from OSS Reporting Specialist to SVP of Customer Experience—sharpened her ability to see patterns others miss and transform operational challenges into competitive weapons.
Shawndra orchestrates ETSLabs’ enterprise-wide data strategy while leading the Etech Insights team and Program Implementation division. Her system audits, capacity planning, and quality assurance programs ensure QEval delivers both efficiency and impact—every single time.
Beyond revolutionizing data strategy, Shawndra champions community impact through servant leadership with Keep Lago Vista Beautiful, Wee Rescue, United Way, and Nacogdoches Boys & Girls Club.
CEO & Chief Learning Officer, SymTrain | Innovation Catalyst
Dan McCann solves tomorrow’s problems today. As SymTrain co-founder and ETSLabs innovation advisor, he brings entrepreneurial vision and hands-on contact center innovation that perfectly amplifies QEval’s performance management revolution.
CEO, CreovAI | Strategic Growth Advisor
Robert Beasley builds growth engines that scale. As CEO of CreovAI and strategic advisor to ETSLabs, he brings two decades of transforming tech innovations into market dominance.