128. f(a – h) for f(x) = 1 – 4x – x² %3D

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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F(a-h) for f(x)= 1-4x-x^2

123. The number of seconds in x days
124. The number of feet in xr miles
Checking Symbolic Skills
Exercises 125-130: Evaluate the expression for the given
function f.
125. f(a+2) for f(x) = 3 – 4x2
the
126. f(a - 3) for f(x) = x² + 2x
%3D
cial
127. f(a + h) for f(x) = x - x + 5
stu-
128. f(a - h) for f(x)
= 1 – 4x - x2
%3D
mput
ation
129. ƒ(a + h) – f(a) for f(x) = 2x2 + 3
130. f(a + h) – f(a) for f(x) = x - x²
to the
e of a
Interpreting Domain and Range in Context
pically 131. Height of a Golf Ball A golf ball is hit and its verti-
cal height h in feet above the ground after t seconds
– 16t2.
(a) What is the initial height of the golf ball?
is given by h (t) = 64t
%3D
(b) What is the height of the golf ball after 4 seconds?
{ (o°)
(c) If the golf ball spends the same amount of time
going upas coming down, after how man
onds does the golf ball reach its maximum 1
What is the maximum height of the golf ball?
{ C
Transcribed Image Text:123. The number of seconds in x days 124. The number of feet in xr miles Checking Symbolic Skills Exercises 125-130: Evaluate the expression for the given function f. 125. f(a+2) for f(x) = 3 – 4x2 the 126. f(a - 3) for f(x) = x² + 2x %3D cial 127. f(a + h) for f(x) = x - x + 5 stu- 128. f(a - h) for f(x) = 1 – 4x - x2 %3D mput ation 129. ƒ(a + h) – f(a) for f(x) = 2x2 + 3 130. f(a + h) – f(a) for f(x) = x - x² to the e of a Interpreting Domain and Range in Context pically 131. Height of a Golf Ball A golf ball is hit and its verti- cal height h in feet above the ground after t seconds – 16t2. (a) What is the initial height of the golf ball? is given by h (t) = 64t %3D (b) What is the height of the golf ball after 4 seconds? { (o°) (c) If the golf ball spends the same amount of time going upas coming down, after how man onds does the golf ball reach its maximum 1 What is the maximum height of the golf ball? { C
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