For Exercises 47−50, evaluate the function for the given values of x . (See Example 5 ) 47. f ( x ) = { − 3 x + 7 f o r x < − 1 x 2 + 3 f o r − 1 ≤ x < 4 5 f o r x ≥ 4 a . f ( 3 ) b . f ( − 2 ) c . f ( − 1 ) d . f ( 4 ) e . f ( 5 )
For Exercises 47−50, evaluate the function for the given values of x . (See Example 5 ) 47. f ( x ) = { − 3 x + 7 f o r x < − 1 x 2 + 3 f o r − 1 ≤ x < 4 5 f o r x ≥ 4 a . f ( 3 ) b . f ( − 2 ) c . f ( − 1 ) d . f ( 4 ) e . f ( 5 )
Solution Summary: The author explains that the value of given function is required at value f(3), which satisfies second condition.
For Exercises 47−50, evaluate the function for the given values of x. (See Example 5) 47.
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Solve using row operations: x-3y= -4; 2x - y = 7
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using gauss’s problem
Factor the expression.
5x³ (x²+8x)² - 35x (x²+8x) 2
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