Question h-x-x-

1.1 Linear Functions - Graphs in slope-intercept, point-slope, standard form
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h(x)=x+b

For the linear function h , b is a constant and h(0)=45. What is the value of b ?

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h ( x ) = x + b For the linear function h , b is

Hard-difficulty · SAT Math · Linear Functions — Graphs in slope-intercept, point-slope, standard form. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.

Answer explanation

The correct answer is 45 . It’s given that h0=45. Therefore, for the given function h , when x = 0 , hx=45. Substituting 0 for x and 45 for hx in the given function, hx=x+b, yields 45=0+b, or 45=b. Therefore, the value of b is 45 .