Final answer:
Louis-Jacques-Mande Daguerre's photograph 'Still Life in Studio' functions to promote photography as an art form, popularize photography, and demonstrate artistic legitimacy by linking it with traditional still life paintings.
Step-by-step explanation:
The function of Louis-Jacques-Mande Daguerre's photograph 'Still Life in Studio' can encompass multiple aspects, including promoting the new medium of photography, exploring the idea of photography as an art form, and demonstrating legitimacy as an artist by connecting traditional still life with the emerging photographic technology.
Daguerre, a pioneering individual in photography, aimed to show that photography could capture fine details and textures reminiscent of still life paintings, an established genre in the art world.
The still life genre provided photographers like Daguerre an opportunity to highlight their skill in capturing the complexities of surface textures and lighting, challenging the conventional boundaries between mechanical reproduction and fine art.