Healthcare startup Solv announced it closed a Series C funding round of $45M led by Acrew Capital and Corner Ventures, including participation from Greylock Partners and Benchmark Capital. CNBC TechCheck's Julia Boorstin speaks with CEO Heather Fernandez about how the new fundraising is going to help Solv grow its customer base as it looks to be the leading way for consumers to obtain high-quality healthcare through a digital platform.