answer please

'Question '1 Consider a Solow model with no population growth [i.e., n = 11]}. The production function has constant returns to scale and technology is neutral, 1" 2 AF (EN). The production function takes the intensive form: YIN = AF [KINJ]. E Af {KIN}, where KIN is capital perworker and YIN is output per worker. The saving rate of the economy is s and the depreciation rate is d. Explain graphically and intuitively {a} Can an increase in the saving rate sustain growth forever? {In} Can sustained increases in technological progress sustain growth