Question

成為更好的人

我怎麼算都是6X
但答案是4X
請問我是錯在哪？感謝🙏

129
et
SECTION 2.2 TECHNIQUES OF DIFFERENTIATION
ation of the
-
1
48. f(x) = x ++; c = 1
X
=
=
19) f(x) = xVx + x?; c = 4
50. f(x) = (4 – x)x - l; c = 3
=
-
-
BUSINESS AND ECONOMIC APPLIED PROBLEMS
51.) ANNUAL EARNINGS The gross annual earnir
of a certain company were A(t) = 0.17 + 10t +
its formation in 200
a

11
49.
=
-
2x – 5x + 4 (1)
f'(x) 4x + 3 Vx f'(4)
f(x)
2(xVx + x3) f(4) 24.
DAS
a. $10,800 per year
51.

3
XFx+7²
2 (XFxxx
149 f®**+7° TELES EN #42% -3 (E3+28
)
F(x) XFX+X5
= 6X +372
z (XFX+7)
SEX
A
Z

Answer 1

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我就是我

.

成為更好的人

Thank you