A function is expressed by the formula y = 2x + 7. Find the value of y if x is equal to 1; -20; 43.

when x = 1 then y = 9

when x = -20 then y = -33

when x = 43 then y = 93

Step-by-step explanation:

Just replace the given values of x ( which are 1 , -20 , 43 ) in the function

(x+3)(x+7)

step-by-step explanation:

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