设函数f(x)=x^2+x-1/4(1)若定义域限制为[0,3]求值域.(2)若定义域限制为[a,a+1]时,f(x)值域为[-1/2,1/6]求a的值
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![设函数f(x)=x^2+x-1/4(1)若定义域限制为[0,3]求值域.(2)若定义域限制为[a,a+1]时,f(x)值域为[-1/2,1/6]求a的值](/uploads/image/z/1614861-45-1.jpg?t=%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3Dx%5E2%2Bx-1%2F4%281%29%E8%8B%A5%E5%AE%9A%E4%B9%89%E5%9F%9F%E9%99%90%E5%88%B6%E4%B8%BA%5B0%2C3%5D%E6%B1%82%E5%80%BC%E5%9F%9F.%282%29%E8%8B%A5%E5%AE%9A%E4%B9%89%E5%9F%9F%E9%99%90%E5%88%B6%E4%B8%BA%5Ba%2Ca%2B1%5D%E6%97%B6%2Cf%28x%29%E5%80%BC%E5%9F%9F%E4%B8%BA%5B-1%2F2%2C1%2F6%5D%E6%B1%82a%E7%9A%84%E5%80%BC)
设函数f(x)=x^2+x-1/4(1)若定义域限制为[0,3]求值域.(2)若定义域限制为[a,a+1]时,f(x)值域为[-1/2,1/6]求a的值
设函数f(x)=x^2+x-1/4(1)若定义域限制为[0,3]求值域.
(2)若定义域限制为[a,a+1]时,f(x)值域为[-1/2,1/6]求a的值
设函数f(x)=x^2+x-1/4(1)若定义域限制为[0,3]求值域.(2)若定义域限制为[a,a+1]时,f(x)值域为[-1/2,1/6]求a的值
1)f(x)=x^2+x-1/4对称轴为-1/2